SEDiNFO.NET SCIENCE ACADEMY [email protected]Student’s Name: ________________________________ Subject: BIOLOGY Class: 10 th Chapter # 10 & 11 (Complete) Exp # 10.1 – 11.1 Total Marks: 30 Maximum Time: 1 hour MULTIPLE CHOICE QUESTIONS (1×6=6) Statement A B C D 1. The amount of oxygen in expired air 21 % 16 % 0.04 % None of them 2. The length of trachea is 10 cm 12 cm 22 cm 20 cm 3. How many lobes are present in right lung? 2 3 4 5 4. Which of the following is called a voice box? Trachea Larynx Pharynx Alveoli 5. Cacti are examples of Hydrophytes Xerophytes Halophytes None of them 6. Which organ is responsible for filtering the blood? Urethra Nephron Renal tubule None of them SHORT ANSWER QUESTIONS (2×6=12) i. What is the difference between breathing and respiration? ii. What is lithotripsy? iii. What is bronchitis? iv. What is thermoregulation? v. What is loop of Henle? vi. What is Bowman’s capsule? LONG ANSWER QUESTIONS (3+4=7) i. Draw and label the structure of nephron (3) ii. How gaseous exchange takes place in plants? Explain in detail (4) ALTERNATE TO PRACTICALS (2+3=5) i. The breathing becomes rapid and deep after exercise. Why? (2) ii. Demonstrate the presence of carbon dioxide in the exhaled air (3) ---------------Good Luck--------------- WWW.StudyNowPK.COM WWW.SEDiNFO.NET WWW.StudyNowPK.COM
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· 2019-01-23 · viii. Which form of nitrogen is taken by the producers of the nitrogen? a) Nitrogen gas b) Ammonia c) Nitrites d) Nitrates . ix. Which of the following is an ecoparasite?
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Student’s Name: ________________________________ Subject: BIOLOGY Class: 10th Chapter # 14 (From a pollination to end) Exp # 14.5 – 14.6 Total Marks: 30 Maximum Time: 1 hour
MULTIPLE CHOICE QUESTIONS (1×6=6)
Statement A B C D
1. Which is NOT an example of wind pollinated flower?
Grasses Hazel Rose Corn
2. Which is an example of insect pollinated flower?
Buttercup Wallflower Sunflower All of them
3. Which is a seedless plant?
Angiosperm Mosses Ferns Both B and C
4. The scar on seed coat is called
Hilum Plumule Radicle None of them
5. Endosperm tissue in angiosperm is rich in
Protein Oil Carbohydrates All of them
6. Example of epigeal germination
Pea Maize Coconut Papaya
SHORT ANSWER QUESTIONS
(2×6=12) i. What is meant by gametogenesis?
ii. What is the difference between epigeal and hypogeal germinations? iii. What is meant by oogenesis? iv. What is parthenocarpy? v. What is meant by dormancy?
vi. What are seminiferous tubules?
LONG ANSWER QUESTIONS (3+4=7)
i. Define fertilization. What is the difference between internal and external fertilization? (3)
ii. Explain female reproductive system of rabbit (4)
ALTERNATE TO PRACTICALS (3+2=5)
i. Draw and label the structure of a Brassica flower (3) ii. Name any two edible flowers (2)
i. Which of the following is the abiotic component of the ecosystem? a) Producers b) Herbivores c) Carnivores d) Oxygen ii. When we eat onions, our trophic level is
a) Primary consumer b) Secondary consumer c) Decomposers d) Producers iii. Identify the correctly matched pair
a) Rainfall- biotic factors in ecosystem b) Global warming- formation of fossil fuels c) Renewable natural resource-air d) Corn- Secondary consumer
iv. In the food chain tree caterpillar robin hawk coyote, which is the secondary? a) Caterpillar b) Robin c) Hawk d) Coyote
v. In ecosystems, the flow of ___ is one way, while ___ is/are constantly recycled a) Mineral, energy b) Energy, minerals c) Oxygen, energy d) Glucose, water vi. In the food chain grass rabbit fox bear mushroom, how many types of decomposers are present?
a) 1 b) 2 c) 3 d) 4 vii. Organisms in the ecosystem that are responsible for the recycling of plant and animal wastes are
a) Producers b) Consumers c) Decomposers d) None of them viii. Which form of nitrogen is taken by the producers of the nitrogen?
a) Nitrogen gas b) Ammonia c) Nitrites d) Nitrates
ix. Which of the following is an ecoparasite? a) Ascaris b) Entamoeba c) Plasmodium d) Leeches
x. Biomass a) The total amount of living matter in an ecosystem at any time b) The total amount of organic matter in an ecosystem at any time c) The total amount of living and organic matter in an ecosystem at particular time d) The total amount of living and organic matter in an ecosystem at any time Q. No. 2 Write short answers of the following (2×6=12) i. What is the difference between population and community?
ii. What are consumers? How they are classified?
iii. What are the major sources of carbon dioxide?
iv. Define deforestation. What are its effects?
v. Define symbiosis. What is commensalism? Give example
vi. What is the difference between biotic and abiotic components of an ecosystem?
Q. No. 3 a) Write a note on global warming in detail (4) b) Explain nitrogen cycle (4)
Student’s Name: ________________________________ Subject: BIOLOGY Class: 10th Chapter # 12 (From division of the nervous system to end) Chapter # 13 (Support and Movement) Exp # 12.1 – 12.3 and 13.1 Total Marks: 30 Maximum Time: 1 hour
4. Which part of an eye is sensitive to dim light?
Rods Cones Both of them None of them
5. No. of bones in skull 22 24 14 33 6. Osteoporosis is due to Lack of vitamin
C Lack of
Proteins Deficiency of
Estrogen hormone
All of them
SHORT ANSWER QUESTIONS
(2×6=12) i. What are nodes of Ranvier?
ii. What are the types of neurons? Write their functions iii. Write functions of spinal cord iv. What is myopia? v. What is the difference between bone and cartilage?
vi. What is the role of tendons and ligaments in muscle contractions?
LONG ANSWER QUESTIONS (4+3=7)
i. What are endocrine glands? Explain pituitary glands in detail (4) ii. Write a note on feedback mechanism (3)
ALTERNATE TO PRACTICALS
(3+2=5) i. What is the source of energy for muscle contraction and why do muscles contain many
mitochondria? (3) ii. Draw and label the structure of a bone (2)
Q1. Tick the correct answer from the following. (3x1=03) 1. Asthma is the ______. (a) reaction (b) infection (c) allergy (d) none of these 2. Majority of people with chronic bronchitis are with ______ years. (a) 45 (b) 55 (c) 46 (d) 49 3. Pneumonia is due to _______. (a) influenza virus (b) spreptocrus (c) HIV (d) both a, b
4. The world no tobacco day is celebrated on. (a) 31st May (b) 28 Feb. (c) 30 May (d) 1st May 5. What type of blood vessels surrounds the alveoli? (a) Artery (b) Arteriou (c) Veins (d) Capillary Q2. Answer the following Short Question. 2x4=08
1. What is bronchitis? 2. Give bad effects of smoking? 3. What is empnycemia? 4. What is Asthma? 5. Give the symptoms and causes of pneumonia?
Q1. Tick the correct answer from the following. (3x1=03) 1. Asthma is the ______. (a) reaction (b) infection (c) allergy (d) none of these 2. Majority of people with chronic bronchitis are with ______ years. (a) 45 (b) 55 (c) 46 (d) 49 3. Pneumonia is due to _______. (a) influenza virus (b) spreptocrus (c) HIV (d) both a, b
4. The world no tobacco day is celebrated on. (a) 31st May (b) 28 Feb. (c) 30 May (d) 1st May 5. What type of blood vessels surrounds the alveoli? (a) Artery (b) Arteriou (c) Veins (d) Capillary Q2. Answer the following Short Question. 2x4=08
1. What is bronchitis? 2. Give bad effects of smoking? 3. What is empnycemia? 4. What is Asthma? 5. Give the symptoms and causes of pneumonia?
Q1. Tick the correct answer from the following. (5x1=05) 1. Which cells are present in cartilages? (a) Osteocyts (b) Chondrocytes (c) None of these (d) both a and b 2. How main many bones are there in axial skeleton. (a) 85 (b) 95 (c) 80 (d) 75 3. Elbow joint is a type of. (a) ball and socket joint (b) hinge joint (c) immoveable joint (d) slightly moveable joint
4. Disorders characterized by accumulation of uric acid crystals in moveable joints. (a) goat (b) rheumatoid arthritis (c) osteo-arthritis (d) all of these 5. Which type of cartilage present in intervertebial discs. (a) hyaline cartilage (b) fibrous cartilage (c) elastic cartilage (d) all of these Q2. Answer the following Short Question. 2x5=10
1. Differentiate b/w Exo and Endo skeleton? 2. What you know about axial skeleton. 3. Define term antagonistic? 4. Draw a diagram illustrating joints. 5. What do you mean by osteoporosis?
Q.3. Long Question
What do you mean by joint also describe its types? 05
Q1. Tick the correct answer from the following. (5x1=05) 1. Which cells are present in cartilages? (a) Osteocyts (b) Chondrocytes (c) None of these (d) both a and b 2. How main many bones are there in axial skeleton. (a) 85 (b) 95 (c) 80 (d) 75 3. Elbow joint is a type of. (a) ball and socket joint (b) hinge joint (c) immoveable joint (d) slightly moveable joint
4. Disorders characterized by accumulation of uric acid crystals in moveable joints. (a) goat (b) rheumatoid arthritis (c) osteo-arthritis (d) all of these 5. Which type of cartilage present in intervertebial discs. (a) hyaline cartilage (b) fibrous cartilage (c) elastic cartilage (d) all of these Q2. Answer the following Short Question. 2x5=10
1. Differentiate b/w Exo and Endo skeleton? 2. What you know about axial skeleton. 3. Define term antagonistic? 4. Draw a diagram illustrating joints. 5. What do you mean by osteoporosis?
Q.3. Long Question
What do you mean by joint also describe its types? 05
Q1. Tick the correct answer from the following. (5x1=05) 1. Rhizopus do reproduction by which of following method. (a) Binary tissue (b) Fragmentation (c) Spore formation (d) Parthenogenesis 2. What is the mode of reproduction of yeast? (a) Vegetative propagation (b) Fragmentation (c) Bundling (d) Multiple fission 3. Garlic reproduced by. (a) Rigome (b) Corms (c) Bulbe (d) Suckers
4. Bryophyllum do vegetative propagation by which of following method. (a) Stem Tuber (b) By leaves (c) Sucker (d) All of these 5. The technique in which we cut a prat of plant and attached it with other plant is known as. (a) Cutting (b) Gratting (c) Tissue culture (d) Fragmentation Q2. Answer the following Short Question. 2x5=10
1. Differentiate b/w sensual and asexual reproduction. 2. What is binary fission explain it with the help of diagram? 3. What do you mean by rhizome? 4. Define term micro-propagation. 5. What are one the advantages of vegetative propagation?
Q.3. Long Question
How plant reproduced by vegetative propagation? 05
Q1. Tick the correct answer from the following. (5x1=05) 1. Rhizopus do reproduction by which of following method. (a) Binary tissue (b) Fragmentation (c) Spore formation (d) Parthenogenesis 2. What is the mode of reproduction of yeast? (a) Vegetative propagation (b) Fragmentation (c) Bundling (d) Multiple fission 3. Garlic reproduced by. (a) Rigome (b) Corms (c) Bulbe (d) Suckers
4. Bryophyllum do vegetative propagation by which of following method. (a) Stem Tuber (b) By leaves (c) Sucker (d) All of these 5. The technique in which we cut a prat of plant and attached it with other plant is known as. (a) Cutting (b) Gratting (c) Tissue culture (d) Fragmentation Q2. Answer the following Short Question. 2x5=10
1. Differentiate b/w sensual and asexual reproduction. 2. What is binary fission explain it with the help of diagram? 3. What do you mean by rhizome? 4. Define term micro-propagation. 5. What are one the advantages of vegetative propagation?
Q.3. Long Question
How plant reproduced by vegetative propagation? 05
Q1. Tick the correct answer from the following. (5x1=05) 1. Elongation of eye ball results in. (a) Hypermetropia (b) myopia (c) both a, b (d) none of these 2. “Book of optics” is written by: (a) Ali Ibnisa (b) Ibnal Heythan (c) Alberoni (d) Jabir Bin Hayan 3. Auditory canal is present in. (a) External ear (b) internal ear (c) middle ear (d) both a, b
4. Insulin and glucagon are produced in. (a) Hypothalamus (b) pencreas (c) Pituetary gland (d) thyroid gland 5. All of these are hormones exapt. (a) insulin (b) glucagon (c) pepsingoen (d) thyroxin Q2. Answer the following Short Question. 2x5=10
1. What is epilepsy? 2. Differentiate b/w hypothyroidism & Hyperthyroidism? 3. What is feedback mechanism? 4. Give the parts of middle ear? 5. Give the contributions of Muslim scientists related to eye.
Q.3. Long Question
Explain pituitary gland and its hormones in detail? 05
Q1. Tick the correct answer from the following. (5x1=05) 1. Elongation of eye ball results in. (a) Hypermetropia (b) myopia (c) both a, b (d) none of these 2. “Book of optics” is written by: (a) Ali Ibnisa (b) Ibnal Heythan (c) Alberoni (d) Jabir Bin Hayan 3. Auditory canal is present in. (a) External ear (b) internal ear (c) middle ear (d) both a, b
4. Insulin and glucagon are produced in. (a) Hypothalamus (b) pencreas (c) Pituetary gland (d) thyroid gland 5. All of these are hormones exapt. (a) insulin (b) glucagon (c) pepsingoen (d) thyroxin Q2. Answer the following Short Question. 2x5=10
1. What is epilepsy? 2. Differentiate b/w hypothyroidism & Hyperthyroidism? 3. What is feedback mechanism? 4. Give the parts of middle ear? 5. Give the contributions of Muslim scientists related to eye.
Q.3. Long Question
Explain pituitary gland and its hormones in detail? 05
Q1. Tick the correct answer from the following. (5x1=05) 1. Which of following sense the change in environment?
(a)Receptor (b) stimuli (c) coordinator (d)effectors 2. Chemical coordination is mediated by.
(a)hormones (b)nerves c)neurons (d)enthrones 3. Myelin is secreted by
(a)nodes of rangier (b)Schwann cells (c)dendrites (d)axon
4. Lobe of cerebrum responsible for the hearing is. (a)occipital lobe (b)parietal lobe (c)temporal lobe (d)frontal lobe 5. Grey matter of brain is consisting on.
(a)neurons (b)cell body of neurons (c)axons (d)dendrites of neuritis
Q2. Answer the following Short Question. 2x5=10 1. Differentiate b/w chemical us and nervous coordination. 2. Draw a diagram of neuron. 3. What is CSF and how it protectes brain. 4. What is hippocampus and also describe its function? 5. Write a short note on hind brain?
Q.3. Long Question
Explain role and function of cerebrum in human coordination system? 05
Q1. Tick the correct answer from the following. (5x1=05) 1. Which of following sense the change in environment? (a) Receptor (b) stimuli (c) coordinator (d) effector 2. Chemical coordination is mediated by. (a) hormones (b) nerves (c) neurons (d) nephrons 3. Myelin is secreted by. (a) nodes of rangier (b) Schwann cells (c) dendrites (d) axon
4. Lobe of cerebrum responsible for the hearing is. (a) occipital lobe (b) parietal lobe (c) temporal lobe (d) frontal lobe 5. Grey matter of brain is consist on. (a) neurons (b) cell body of neurons (c) axons (d) dendrites of neuritis
Q2. Answer the following Short Question. 2x5=10 1. Differentiate b/w chemical us and nervous coordination. 2. Draw a diagram of neuron. 3. What is CSF and how it protectes brain. 4. What is hippocampus and also describe its function? 5. Write a short note on hind brain?
Q.3. Long Question
Explain role and function of cerebrum in human coordination system? 05
Q2. Answer the following Short Question. 2x5=10 1. Define saw of segregation of gene? 2. Define saw of independent assortment? 3. Differentiate b/w continuous and discontinuous variation? 4. Define theory of natural selection? 5. Differentiate b/w breeds and verities.
Q.3. Long Question
Write a note on “Mendel law of independent assortment? 07
Q2. Answer the following Short Question. 2x5=10 1. Define saw of segregation of gene? 2. Define saw of independent assortment? 3. Differentiate b/w continuous and discontinuous variation? 4. Define theory of natural selection? 5. Differentiate b/w breeds and verities.
Q.3. Long Question
Write a note on “Mendel law of independent assortment? 07
Q1. Tick the correct answer from the following. (5x1=05) 1. Spinal nerves are. (a) Sensory (b) Motor (c) Mixed (d) All of these 2. The nervous system which prepase body far emergency is. (a) Somatic (b) parasympathetic (c) sympathetic (d) none of these 3. When iris constricts. (a) Radial muscle contracted (b) Circular muscles contracted (c) Both a and b contracted (d) Both a and b relaxed
4. Ibn-al-Haytham describe what. (a) 30 Bo eye diseases (b) 143 drugs (c) principles of eye and vision (d) All of these 5. How many nerves arises from spinal cord. (a) 12 (b) 31 (c) 33 (d) 62 Q2. Answer the following Short Question. 2x5=10
1. Define reflex arc? 2. Where does aqueous humor present? 3. Why there is blind spot present in retina? 4. What is the function of Eustachian tube? 5. What is hypermetropia explain with the help of diagram? And also describe that how we rectify
it? Q.3. Long Question
What you know about sense of hearing describe it diagrameticaly and also describe the role of ear in body balance. 05
Q1. Tick the correct answer from the following. (5x1=05) 1. Spinal nerves are. (a) Sensory (b) Motor (c) Mixed (d) All of these 2. The nervous system which prepase body far emergency is. (a) Somatic (b) parasympathetic (c) sympathetic (d) none of these 3. When iris constricts. (a) Radial muscle contracted (b) Circular muscles contracted (c) Both a and b contracted (d) Both a and b relaxed
4. Ibn-al-Haytham describe what. (a) 30 Bo eye diseases (b) 143 drugs (c) principles of eye and vision (d) All of these 5. How many nerves arises from spinal cord. (a) 12 (b) 31 (c) 33 (d) 62 Q2. Answer the following Short Question. 2x5=10
1. Define reflex arc? 2. Where does aqueous humor present? 3. Why there is blind spot present in retina? 4. What is the function of Eustachian tube? 5. What is hypermetropia explain with the help of diagram? And also describe that how we rectify
it? Q.3. Long Question
What you know about sense of hearing describe it diagrameticaly and also describe the role of ear in body balance. 05
Q1. Tick the correct answer from the following. (5x1=05) 1. Endocrine glands are. (a) ductless (b) ducted (c) both a, b (d) None of these 2. How many lobes pituitary gland have. (a) 2 (b) 3 (c) 4 (d) 1 3. Vasopressin is secreted by. (a) posterior lobe of pituitary (b) anterior lobe of pituitary (c) thyroid gland (d) Islets of pancreases
4. Calcitonine is secreted by. (a) thyroid gland (b) pancreas (c) adrenal gland (d) parathyroid glands 5. Which hormone prepair us for emergency. (a) Adrenaline (b) corticosteraids (c) thyroxin (d) somatofrophin Q2. Answer the following Short Question. 2x5=10
1. What do you mean by dwarfism? 2. What is diabetes mellitus and how it is diagnosed? 3. What is the function of TSH? 4. Differentiate between negative and positive feedback mechanism. 5. What is paralysis? How is it? 6. What is epilepsy? Who it is treaded. 7. What is role of parathormone?
Q.3. Long Question
Write note on following. 05 1. Adrenal gland 2. Thyroid gland. 2. Write down note on nervous disorders.
Q1. Tick the correct answer from the following. (5x1=05) 1. Endocrine glands are. (a) ductless (b) ducted (c) both a, b (d) None of these 2. How many lobes pituitary gland have. (a) 2 (b) 3 (c) 4 (d) 1 3. Vasopressin is secreted by. (a) posterior lobe of pituitary (b) anterior lobe of pituitary (c) thyroid gland (d) Islets of pancreases
4. Calcitonine is secreted by. (a) thyroid gland (b) pancreas (c) adrenal gland (d) parathyroid glands 5. Which hormone prepair us for emergency. (a) Adrenaline (b) corticosteraids (c) thyroxin (d) somatofrophin Q2. Answer the following Short Question. 2x5=10
8. What do you mean by dwarfism? 9. What is diabetes mellitus and how it is diagnosed? 10. What is the function of TSH? 11. Differentiate between negative and positive feedback mechanism. 12. What is paralysis? How is it? 13. What is epilepsy? Who it is treaded. 14. What is role of parathormone?
Q.3. Long Question
Write note on following. 05 3. Adrenal gland 2. Thyroid gland. 4. Write down note on nervous disorders.
Q1. Tick the correct answer from the following. (3x1=03) 1. Combination of all genes is known as. (a) genome (b) phenotype (c) traits (d) all of these 2. Which one of following is not present in DNA? (a) Sugar (b) phosphate (c) urasil (d) all of these 3. Which is present in RNA? (a) Sugar (b) phosphate (c) urasil (d) all of these
Q2. Answer the following Short Question. 2x5=10 1. Define term alle? 2. Define term phenotype? 3. Define term gene? 4. Define term trait? 5. What you know about central dogma.
Q1. Tick the correct answer from the following. (3x1=03) 1. Combination of all genes is known as. (a) genome (b) phenotype (c) traits (d) all of these 2. Which one of following is not present in DNA? (a) Sugar (b) phosphate (c) urasil (d) all of these 3. Which is present in RNA? (a) Sugar (b) phosphate (c) urasil (d) all of these
Q2. Answer the following Short Question. 2x5=10 1. Define term alle? 2. Define term phenotype? 3. Define term gene? 4. Define term trait? 5. What you know about central dogma.
Q1. Tick the correct answer from the following. (3x1=03) 1. Combination of all genes is known as. (a) genome (b) phenotype (c) traits (d) all of these 2. Which one of following is not present in DNA? (a) Sugar (b) phosphate (c) urasil (d) all of these 3. Which is present in RNA? (a) Sugar (b) phosphate (c) urasil (d) all of these
Q2. Answer the following Short Question. 2x5=10 1. Define term alle? 2. Define term phenotype? 3. Define term gene? 4. Define term trait? 5. What you know about central dogma.
Q1. Tick the correct answer from the following. (3x1=03) 1) Identify the correctly matched pair:
(a) Rainfall- Biotic factors in ecosystem (b) Global warming- formation of fossil fuels (c) Renewable natural resources- air (d) Corn- secondary consumer
2) An organism that actively hunts other organisms is called:
(a) Prey (b) Predator (c) Parasite (d) Host
3) Organisms in the ecosystem that are responsible for the recycling of plant and animal wastes are; (a) Consumers (b) Producers (c) Decomposers (d) Competitors
Q2. Answer the following Short Question. 2x6=12 1. What are non-renewable resources and renewable resources?
2. What is ecological pyramid?
3. Define pyramid of biomass.
4. What are natural resources?
5. Differentiate between intraspecific interactions and interspecific interactions.
Q1. Tick the correct answer from the following. (3x1=03) 1) Identify the correctly matched pair:
(a) Rainfall- Biotic factors in ecosystem (b) Global warming- formation of fossil fuels (c) Renewable natural resources- air (d) Corn- secondary consumer
2) An organism that actively hunts other organisms is called:
(a) Prey (b) Predator (c) Parasite (d) Host
3) Organisms in the ecosystem that are responsible for the recycling of plant and animal wastes are; (a) Consumers (b) Producers (c) Decomposers (d) Competitors
Q2. Answer the following Short Question. 2x6=12 1. What are non-renewable resources and renewable resources?
2. What is ecological pyramid?
3. Define pyramid of biomass.
4. What are natural resources?
5. Differentiate between intraspecific interactions and interspecific interactions.
reproduction in flowering plants) Exp # 10.1 – 14.4
Total Marks: 62 Maximum Time: 2.45 hours SUBJECTIVE TYPE
Q. No. 2 Write short answers of the following (2×5=10)
i. What is the difference between photosynthesis and respiration? ii. What is the difference between breathing and cellular respiration?
iii. What is the difference between exocrine and endocrine glands? iv. What is the difference between bone and cartilage? v. What is the difference between asexual and sexual reproduction?
Q. No. 3 Write short answers of the following (2×6=12)
i. What is meant by alternation of generation? Which generation dominates in angiosperms? ii. What is parthenogenesis?
iii. Describe role of tendons and ligaments in muscle movement? iv. What are emergency hormones? v. What is meant by nodes of Ranvier?
vi. What is the function of skin in homeostasis? Q. No. 4 Write short answers of the following (2×5=10)
i. Trace the pathway of air from nasal cavity to the alveoli ii. Draw and label the structure of nephron
iii. Draw and label the structure of motor neuron iv. Draw and label the structure of a bone v. Draw an label the structure of a flower
Write detailed answers of the following (3×7=21) Q. No. 5 a) Explain life cycle of a flowering plant in detail (4) b) How exchange of gases takes place in plants (3) Q. No. 6 a) Write a note on pituitary glands (4) b) How reproduction takes place in hydra, paramecium and planaria (3) Q. No. 7 a) Explain structure of kidney in detail (4) b) What is arthritis? Explain its any two types (3) Alternate to practicals (2×5=10) Q. No. 8 a) Observe and identify the various stages of binary fission and label them
(3) (i) _______________________________
(ii) _______________________________ (iii) _______________________________
(iv) _______________________________
Name of the organism: __________________ b) What is meant by binary fission? (2) Q. No. 9 a) What are the main effects of smoking? (2) b) The breathing becomes rapid and deep after exercise. Why? (3)