BOTANY- PAGE 8
1. If in a cell the value of osmotic potential in 20 atm. and pressure potential is 20 atm., after sometime because of osmosis, the cell becomes partially turgid and finally completely turgid. At this stage(completely turgid), the value of Diffusion Pressure Defficit will be
1) Zero atm.
2) 40 atm.
3) 20 atm
4) 20 atm
Answer: 1
2. A teacher while demonstrating in the practical class, took some gram seeds in a glass bottle and poured some
water into it. He replaced the lid of bottle, sealed and left for 48 hours. He observed that the glass bottle was
broken. This could be because of one of the following
1) Release of Oxygen during photosynthesis
2) Osmotic pressure due to osmosis by the seeds
3) Creation of vaccuum due to intake of carbondioxide for calvin cycle.
4) Imbibition pressure caused by the seeds.
Answer: 4
3. When an irrigated potted plant is cut just above the ground level and a manometer is attached to stump with
the help of piece of rubber tube so that no air enters in it. There is rise in mercury level after sometime, This is
because of
1) Root pressure
2) Pulsation in living cells of root
3) Capillary action in xylem cells
4) Imbibition force
Answer: 1
4. In succulent plants (CAM plants), some physiological processes which occur in stomata are listed below A.
Malic acid accumulates in vacuole. B. From Vacuole malic acid is transported to Chloroplast. C. Starch is
synthesised in the chloroplast. D. Starch is converted into phosphoenolpyruvate in chloroplast. Select the
processes which occur during opening of stomata
1) A, B and C
2) A and C
3) A and D
4) B, C and D
Answer: 3
5. Plants require many elements for their growth. Some elements are required in very small quantity and are
called trace elements or minor essential elements. These are
1) Sodium, Phosphorus, Magnesium and Copper
2) Boron, Manganese, Zinc and Molybdenum
3) Silicon, Sulphur, Nitrogen and Calcium
4) Potassium, Zinc, Chlorine and Carbon
Answer: 2
6. A farmer while visiting his field observed that plants are showing distortion and drying of plants from tip to
downwards (Die back symptom). The field is probably deficient in
1) Boron
2) Copper
3) Iron
4) Zinc
Answer: 2
7. Name of Scientists(I) and their contribution(II) is given below. Make correct match: I II A. Louis Pasteur 1.
Crystalized Urease Enzyme B. Kuhne 2. Discovered Zymase Enzyme C. Buchner 3. Used term Ferments for
Enzyme D. Sumner 4. Coined the term Enzyme
1) A B C D i iii ii iv
2) A B C D iv ii i iii
3) A B C D ii iii iv i
4) A B C D iii iv ii i
Answer: 4
8. The prosthetic group of enzyme is
1) Firmly bounded protein with an enzyme.
2) Firmly bounded non protein part with an enzyme
3) Loosely bounded inorganic metal with an enzyme
4) Loosely bounded organic cofactor with an enzyme
Answer: 2
9 Given below are names of coenzymes(I) and their functions(II). Make correct match I II A. FAD 1.
Phosphate group transfer B. ATP 2. Carboxyl group transfer C. Biotin 3. Decarboxylation D. Thiamin
Pyrophosphate 4. Transfer Hydrogen
1) A B C D iv i ii iii
2) A B C D ii i iii iv
3) A B C D iv ii iii i
4) A B C D iv iii ii i
Answer: 1
10 Isozymes are formed due to point mutation and these are characteristized as enzymes which have
1) Different molecular weight but are similar in function
2) Different molecular structure but are similar in function
3) Different function but silmilar in molecular structure
4) Different function but similar in molecular weight
Answer: 2
11 The number of photons needed for evolution of one molecule of oxygen in photosynthesis is
1) 8
2) 2
3) 12
4) 18
Answer: 1
12 During photosynthesis the oxygen in glucose molecule comes from
1) Carbon dioxide
2) Water
3) Oxygen
4) Both Carbon dioxide and Water
Answer: 1
13 In Calvin cycle the assimilatory power is used during
1) Formation of PGA
2) Conversion of PGA to PGAL
3) Formation of Fructose 1, 6 diphosphate from PGAL
4) Formation of glucose from Fructose diphosphate
Answer: 2
14 A chlorophyll molecule has
1) One Pyrrole ring, Magnesium ion, Keto group and phytol chain.
2) Five Pyrrole rings, Magnesium ion, methyl or keto group and phytol chain
3) Two pyrrole rings, Magnesium ion, methyl or keto group and aliphatic chain
4) Four Pyrrole rings, Magnesium ion, methyl or aldehyde group and phytol chain
Answer: 4
15 Water soluble pigments of plants are
1) Anthocyanin and chlorophyllb
2) Carotenes and Xanthophylls
3) Chlorobium chlorophyll and chlorophylld
4) Phycoerythrin and Phycocyanin
Answer: 4
16 Some characters of pigment system of green plants are listed below A. Takes part in both cyclic and non
cyclic electron trasport system. B. Active center is P680. C. It is connected with photolysis of water. Mostly
present in stroma lamellae The characters related to PS II are
1) A and B
2) A and D
3) B and D
4) B and C
Answer: 4
17 What is common in Phycobilins and Chlorophyll a?
1) presence of Phytol tail in their molecule
2) Presence of magnesium ion in their molecule
3) Presence of pyrrole ring in their molecule
4) Their absorption spectra is same
Answer: 3
18 Make the correct match of enzymes(I) and their substrate(II) which are given below I II A. RUBISCO 1.
Dihydroxy acetone phosphate B. Triose Phosphate isomerase 2. Xylulose5phosphate C. Transketolase 3.
Ribulose5phosphate D. Ribulose phosphate Isomerase 4. Fructose6phosphate and 3phosphoglyceroldehyde
1) Ai, Bii, Civ, Diii
2) Aiv, Biii, Ci, Dii
3) Aii, Biv, Ciii, Di
4) Aiii, Bi, Civ, Dii
Answer: 4
19 The synthesis of chlorophyll starts with the condensation of two molecules, these are
1) Protochlorophyll and Mg Protoporphyrin
2) Glycine and Succinyl Co enzymeA
3) Protoporphyrin and Protoporphyrinogen
4) Aspartic acid and Glycine
Answer: 2
20 Some features of dark reaction of photosynthesis are given below A. Chloroplast of leaf shows dimorphism.
B. Oxygen has inhibitory effect on Photosynthesis C. 18 ATP are required for synthesis of one molecule of
glucose D. First stable compound is Oxaloacetic acid. Select the features which are found in C4 plants.
1) A and B
2) A and D
3) B and C
4) B and D
Answer: 3
21 The isotopes of carbon used extensively for studies in photosynthesis is
1) C 12
2) C 13
3) C 14
4) C 16
Answer: 3
22 Carbon refixation in C4 plants occurs in chloroplast of
1) Palisade tissue
2) Spongy tissue
3) Bundle sheath cells
4) Guard cells
Answer: 3
23 Process of photophoshphorylation was first given by
1) Hill
2) Willstotter and Stoll
3) Arnon
4) Park and Biggins
Answer: 2
24 Leghaemoglobin creates
1) Anaerobic condition for optimum activity of nitrogenase
2) Aerobic condition for optimum activity of nitrogenase
3) Maintains oxygen concentration for optimum activity of nitrogenase
4) Makes suitable environment for nodule formation
Answer: 1
25 Total number of proteinogenic amino acids in the living world is
1) 20
2) 21
3) 22
4) 23
Answer: 3
1) Zero atm.
2) 40 atm.
3) 20 atm
4) 20 atm
Answer: 1
2. A teacher while demonstrating in the practical class, took some gram seeds in a glass bottle and poured some
water into it. He replaced the lid of bottle, sealed and left for 48 hours. He observed that the glass bottle was
broken. This could be because of one of the following
1) Release of Oxygen during photosynthesis
2) Osmotic pressure due to osmosis by the seeds
3) Creation of vaccuum due to intake of carbondioxide for calvin cycle.
4) Imbibition pressure caused by the seeds.
Answer: 4
3. When an irrigated potted plant is cut just above the ground level and a manometer is attached to stump with
the help of piece of rubber tube so that no air enters in it. There is rise in mercury level after sometime, This is
because of
1) Root pressure
2) Pulsation in living cells of root
3) Capillary action in xylem cells
4) Imbibition force
Answer: 1
4. In succulent plants (CAM plants), some physiological processes which occur in stomata are listed below A.
Malic acid accumulates in vacuole. B. From Vacuole malic acid is transported to Chloroplast. C. Starch is
synthesised in the chloroplast. D. Starch is converted into phosphoenolpyruvate in chloroplast. Select the
processes which occur during opening of stomata
1) A, B and C
2) A and C
3) A and D
4) B, C and D
Answer: 3
5. Plants require many elements for their growth. Some elements are required in very small quantity and are
called trace elements or minor essential elements. These are
1) Sodium, Phosphorus, Magnesium and Copper
2) Boron, Manganese, Zinc and Molybdenum
3) Silicon, Sulphur, Nitrogen and Calcium
4) Potassium, Zinc, Chlorine and Carbon
Answer: 2
6. A farmer while visiting his field observed that plants are showing distortion and drying of plants from tip to
downwards (Die back symptom). The field is probably deficient in
1) Boron
2) Copper
3) Iron
4) Zinc
Answer: 2
7. Name of Scientists(I) and their contribution(II) is given below. Make correct match: I II A. Louis Pasteur 1.
Crystalized Urease Enzyme B. Kuhne 2. Discovered Zymase Enzyme C. Buchner 3. Used term Ferments for
Enzyme D. Sumner 4. Coined the term Enzyme
1) A B C D i iii ii iv
2) A B C D iv ii i iii
3) A B C D ii iii iv i
4) A B C D iii iv ii i
Answer: 4
8. The prosthetic group of enzyme is
1) Firmly bounded protein with an enzyme.
2) Firmly bounded non protein part with an enzyme
3) Loosely bounded inorganic metal with an enzyme
4) Loosely bounded organic cofactor with an enzyme
Answer: 2
9 Given below are names of coenzymes(I) and their functions(II). Make correct match I II A. FAD 1.
Phosphate group transfer B. ATP 2. Carboxyl group transfer C. Biotin 3. Decarboxylation D. Thiamin
Pyrophosphate 4. Transfer Hydrogen
1) A B C D iv i ii iii
2) A B C D ii i iii iv
3) A B C D iv ii iii i
4) A B C D iv iii ii i
Answer: 1
10 Isozymes are formed due to point mutation and these are characteristized as enzymes which have
1) Different molecular weight but are similar in function
2) Different molecular structure but are similar in function
3) Different function but silmilar in molecular structure
4) Different function but similar in molecular weight
Answer: 2
11 The number of photons needed for evolution of one molecule of oxygen in photosynthesis is
1) 8
2) 2
3) 12
4) 18
Answer: 1
12 During photosynthesis the oxygen in glucose molecule comes from
1) Carbon dioxide
2) Water
3) Oxygen
4) Both Carbon dioxide and Water
Answer: 1
13 In Calvin cycle the assimilatory power is used during
1) Formation of PGA
2) Conversion of PGA to PGAL
3) Formation of Fructose 1, 6 diphosphate from PGAL
4) Formation of glucose from Fructose diphosphate
Answer: 2
14 A chlorophyll molecule has
1) One Pyrrole ring, Magnesium ion, Keto group and phytol chain.
2) Five Pyrrole rings, Magnesium ion, methyl or keto group and phytol chain
3) Two pyrrole rings, Magnesium ion, methyl or keto group and aliphatic chain
4) Four Pyrrole rings, Magnesium ion, methyl or aldehyde group and phytol chain
Answer: 4
15 Water soluble pigments of plants are
1) Anthocyanin and chlorophyllb
2) Carotenes and Xanthophylls
3) Chlorobium chlorophyll and chlorophylld
4) Phycoerythrin and Phycocyanin
Answer: 4
16 Some characters of pigment system of green plants are listed below A. Takes part in both cyclic and non
cyclic electron trasport system. B. Active center is P680. C. It is connected with photolysis of water. Mostly
present in stroma lamellae The characters related to PS II are
1) A and B
2) A and D
3) B and D
4) B and C
Answer: 4
17 What is common in Phycobilins and Chlorophyll a?
1) presence of Phytol tail in their molecule
2) Presence of magnesium ion in their molecule
3) Presence of pyrrole ring in their molecule
4) Their absorption spectra is same
Answer: 3
18 Make the correct match of enzymes(I) and their substrate(II) which are given below I II A. RUBISCO 1.
Dihydroxy acetone phosphate B. Triose Phosphate isomerase 2. Xylulose5phosphate C. Transketolase 3.
Ribulose5phosphate D. Ribulose phosphate Isomerase 4. Fructose6phosphate and 3phosphoglyceroldehyde
1) Ai, Bii, Civ, Diii
2) Aiv, Biii, Ci, Dii
3) Aii, Biv, Ciii, Di
4) Aiii, Bi, Civ, Dii
Answer: 4
19 The synthesis of chlorophyll starts with the condensation of two molecules, these are
1) Protochlorophyll and Mg Protoporphyrin
2) Glycine and Succinyl Co enzymeA
3) Protoporphyrin and Protoporphyrinogen
4) Aspartic acid and Glycine
Answer: 2
20 Some features of dark reaction of photosynthesis are given below A. Chloroplast of leaf shows dimorphism.
B. Oxygen has inhibitory effect on Photosynthesis C. 18 ATP are required for synthesis of one molecule of
glucose D. First stable compound is Oxaloacetic acid. Select the features which are found in C4 plants.
1) A and B
2) A and D
3) B and C
4) B and D
Answer: 3
21 The isotopes of carbon used extensively for studies in photosynthesis is
1) C 12
2) C 13
3) C 14
4) C 16
Answer: 3
22 Carbon refixation in C4 plants occurs in chloroplast of
1) Palisade tissue
2) Spongy tissue
3) Bundle sheath cells
4) Guard cells
Answer: 3
23 Process of photophoshphorylation was first given by
1) Hill
2) Willstotter and Stoll
3) Arnon
4) Park and Biggins
Answer: 2
24 Leghaemoglobin creates
1) Anaerobic condition for optimum activity of nitrogenase
2) Aerobic condition for optimum activity of nitrogenase
3) Maintains oxygen concentration for optimum activity of nitrogenase
4) Makes suitable environment for nodule formation
Answer: 1
25 Total number of proteinogenic amino acids in the living world is
1) 20
2) 21
3) 22
4) 23
Answer: 3