1. Match the following Green house gases percentage
| P. Carbon dioxide | 1. 60 % |
| Q. Methane | 2. 20% |
| R. CFC | 3.14% |
| S. N2O | 4. 6% |
Choose the correct answer
A ) P-1, Q-3, R-2,S-4
B) P-1, Q-2, R-3,S-4
C ) P-4, Q-1, R-2,S-3
D) P-2, Q-1, R-3,S- 4
2. Global warming control measures are
P. The measures include cutting down use of fossil fuel.
Q. Improving efficiency of energy usage.
R. Reducing deforestation and planting trees.
S. Slowing down the growth of human population.
Select the correct answer
A) P, R,S
B ) Q, R, S
C ) P,Q,R
D) P, Q,R, S
3. Which of the following is / are endangered species of India ?
P. Cycas
Q. Nepanthes
R. Tiger
S. Wild cat
Select the correct answer
A) P, R,S
B ) Q, R, S
C ) P,Q,R
D) P, Q,R, S
4. Carrot is orange in colour because ?
A) It grows in the soil
B) It is not exposed to sunlight
C) It contains carotene
D ) The entire plant is orange in colour
5. The main excretory product of frog is?
A) Urea
B) Ammonia
C) Uric acid
D) Amino acid
6. Read the following statements
P) To transport oxygen
Q) Destruction of bacteria
R) Prevention of anaemia
S) Utilization of energy
Which of the following is related to the function of haemoglobin is ?
Select the correct answer
A) Only P
B ) P and S
C ) P,Q,R
D) P, Q,R, S
7 . Match the following Period Significance
| P . Silurian | 1. Origin of fishes |
| Q. Cambrian | 2. Origin of trilobites |
| R. Permian | 3. Extinction of trilobites |
| S. Ordovician | 4.Origin of ostracoderms |
Choose the correct answer
A ) P-1, Q-3, R-2,S-4
B) P-1, Q-2, R-3,S-4
C ) P-4, Q-1, R-2,S-3
D) P-2, Q-1, R-3,S- 4
8. Match the following
| List I | List II |
| P. Biome | 1. Lake |
| Q. Community | 2. Earth |
| R. Ecosystem | 3. Niche |
| S. Biosphere | 4. Rain forests |
| 5. Different population |
Choose the correct answer
A ) P-4, Q-5, R-1, S-2
B) P-2, Q-5, R-1, S-3
C ) P-2, Q-1, R-4, S-3
D) P-4, Q-3, R-2, S-1
9. Match the following
| List I | List II |
| P. Testes | 1. Estrogen |
| Q. Endocrine gland | 2. Pituitary |
| R. Menarche | 3. Sperm |
| S. Female hormone | 4.First menstruation |
Choose the correct answer
A ) P-1, Q-3, R-2,S-4
B) P-1, Q-2, R-3,S-4
C ) P-3, Q-1, R-2,S-4
D) P-3, Q-2, R-4,S- 1
10. One strand of DNA has the following sequence of nucleotide 3’ ATTCGCTAT 5’ so the other strand of DNA has
A) 5’ TAAGCGATA 3’
B) 3’ TAAGCGATA 5’
C) 5’ GACGCGATA 3’
D) 3’ GACGCGATA 5’.
11. The statements are related to Crossing-over
1. Recombination of linked alleles
2. Dominance of alleles
3. Segregation of alleles
4. Linkage between genes
Choose the right answer
A) Only 1
B) 1 & 2
C) Only 4
D) 3 & 4
12. Assertion (A) : The fruit wall of maturity may be fleshy or, more commonly dry.
Reason (R) : The pericarp is the fruit wall developed from the ovary.
A) Both A and R are true and R is the correct explanation of A.
B) Both A and R are true but R is not the correct explanation of A .
C) A is true but R is false
D) A is false but R is true.
13. Eukaryotic genome differs from prokaryotic genome in :
A) DNA is circular and single- stranded in prokaryotes.
B) Intervening sequences are present in eukaryotic DNA.
C) DNA is complexed with histones in prokaryotes
D) DNA is organized into operons in eukaryotes
14. RNA is not involved in
P. Enzymatic activity Q. Protein synthesis
R. Chromosome structure in eukaryotes
S. Heridity
Choose right answer
A ) Only R
B) P & S
C) Only Q
D) P & R
15. Haploid plants can be obtained by
A.) Anther culture
B) Ovary culture
C) Interspecific hybridization
D) All of these
16. The essential parts of a flower are
A) Calyx and corolla
B) Calyx and androecium
C) Corolla and gynoecium
D) Androecium and gynoecium
17. Which of the following statement is / are correct ?
P. Tendon – Bone to bone attachment
Q. Tendon – Bone to muscle attachment
S. Ligament – Bone to bone attachment
T. Ligament – Muscle to muscle
A) P and S
B) Q and S
C) S and T
D) P, Q and T
18. Threatened species of India
I. The Asiatic lion
II. The black buck
III. Red panda
IV. Tiger
V. Elephant
Which of the following is / are correct
A ) I, II and III
B) I, III and IV
C ) I, II and IV
D) I, II, III, IV and V
19. Match the following
| Class Stored food | |
| P. Chlorophyceae | 1. Floridean starch |
| Q. Phaeophyceae | 2.Mannitol, laminarian |
| R. Rhodophyceae | 3.Starch |
Choose the correct answer
A ) P-3, Q-2, R-1,
B) P-2, Q-3, R-1,
C ) P-1, Q-2, R-3
D) P-3, Q-1, R-2
20. Read the following statements
1. National parks
2. Sanctuaries
3. Biosphere
4. Sacred groves
Which of the following is / are related to the In-situ conservation ?
A ) Only 1
B) 1 and 2
C) 1,2 and 3
D) 1,2,3 and 4
22. Read the following statements
I. All living organism are made up of small microscopic fundamental and basic units called cells.
II. All metabolic reactions take place in cells.
III. Cells do not originate spontaneously but occur de novo’ from pre existing cells.
Which of the following is / are related to the cell theory ?
A ) Only I
B) I and II
C) I and III
D) I,II and III
23. Read the following statements
P. Connection between adjacent cells
Q. Membranes connecting the nucleus with plasma lemma
R. Lignified cemented layers between cells
S. Locomotary structures
Which of the following is related to plasmadesmata ?
A ) Only P
B) P and Q
C ) P,Q and S
D) P,Q,R and S
24. Match the following
| Crop Resistance to disease | |
| P. Wheat | 1. Leaf & stripe rust |
| Q. Chilli | 2. Mosaic virus |
| R. Brassica | 3. White rust |
Choose the correct answer
A ) P-1, Q-3, R-2
B) P-2, Q-1, R-3
C ) P-3, Q-1, R-2
D) P-1, Q-2, R-3
25. Match the following
| Modification | Example |
| 1. Rhizome | i) Banana |
| 2. Corms | ii) Jasmin |
| 3. Phylloclades | iii) Oxalis |
| 4. Runners | iv) Casuarina |
| 5. Stolon | v) Colacasia |
| 6. Sucker | vi) Ginger |
Choose the right option
A) 1- v, 2- ii, 3- iii, 4- iv, 5- vi, 6- i
B) 1- v, 2- iii,3- ii, 4- iv, 5- i, 6- vi
C) 1- vi, 2- v, 3- iv, 4- iii, 5- ii, 6- i
D) 1- vi, 2- v, 3- iii, 4- iv, 5- ii, 6- i
26. Assisted reproductive technology, IVF involves transfer of
A ) Ovum into the fallopian tube
B ) Zygote into the Uterus
C ) Zygote into the fallopian tube
D ) Embryo with 16 blastomeres into the fallopian tube
27. In human adult females oxytocin
A) Causes strong uterine contractions during parturition
B) Is secreted by anterior pituitary
C) Stimulates growth of mammary glands
D) Stimulates pituitary to secrete vasopressin
28. Glomerular filtrate passes from glomerular capsule into the
A) Loop of the nephron
B) Proximal convoluted tubule
C) Glomerular capsule
D) Convoluted tubule
29. If the total amount of adenine and thymine in a double-stranded DNA is 45%, the amount of guanine in this DNA will be
1) 45%
2) 55%
3) 22.5%
4) 27.5%
Choose the suitable answer
A) Only 1
B) 1 & 2
C) 2 & 3
D) only 4
30. Placentation in tomato and lemon is
I) Marginal
II) Axile
III) Parietal
IV) Free central
Select the true answer
A) Only I
B) I and II
C) Only II
D) Only IV
31. Cyclic photophosphorylation results in the formation of
A) ATP
B) NADPH
C) ATP and NADPH
D) ATP, NADPH and O2
32. The trachea divides into two smaller tubes called
I) Bronchi
II) Trachea
III) Microtrachea
IV) Eustachian tubes
Select the correct answer
A) Only I
B) only I & II
C) Only III & IV
D) Only IV
33. Asthma is due to
A) Elasticity of lungs is reduced
B) Degradation of alveolar wall
C) Bronchioles constrict due to muscle spasms
D) Damage in diaphragm
34. The protein carrier in the membrane, called “sodium-potassium pump” pumps
A) Both Na+ and K+ in
B) Both Na+ and K+ out
C) Na+ in and K+ out
D) Na+ out and K+ in
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