Biology

Biology Quiz

1. Arrange the following events of meiosis in the correct sequence
I. Terminalization
II. Crossing over
III. Synapsis
IV. Disjunction of genomes
A) II, I, IV, III
B) III, II, I, IV
C) IV, III, II, I
D) I, IV, III, II

2. Match the following
List-I
A) Initiation of spindle fibre
B) Synthesis of RNA and Protein
C) Action of endonuclease
D) Movement of chromatids towards opposite poles
List-II
I) Anaphase – I
II) Zygotene
III) G1 phase
IV) Pachytene
V) Anaphase – II
A) A – I, B – III, C – V, D – IV
B) A – III, B – II, C – I, D – V
C) A – II, B – III, C – IV,D – V
D) A – V, B – III, C – I, D – II

3. In the somatic cell cycle
A) In G1 phase DNA content is double the amount of DNA present in the original cell
B) A short inter phase is followed by a long mitotic phase
C) DNA replication takes place in S-phase
D) G2 phase follows mitotic phase

4. Match the following
1. Metanepridia                a) Earthworms
2. Malpighian tubules      b) terrestrial arthropods
3. Green glands                c) Crustaceans
A) 1- b, 2- c, 3- a
B) 1- a, 2- b, 3- c
C) 1-c, 2- a, 3- b
D) 1- a, 2- c, 3- b

5. Which one of the following conditions in humans is / are correctly matched with its chromosomal abnormality/linkage?
A) Colour blindness- Y-linked
B) Klinefelter’s syndrome- 44 autosomes +XXY
C) Down syndrome- 44 autosomes + XO
D) Erythroblastosis fetalis- X-linked

6. According to Darwin, evolution is
A) A slow, gradual and continuous process.
B) A sudden but discontinuous process.
C) A slow and discontinuous process.
D) A slow, sudden and discontinuous process.

7. Find out the wrongly matched pair.
A) Bulbil – Agave
B) Rhizome – Ginger
C) Offset – Water hyacinth
D) Leaf buds – Banana

8. Match the following Modification Example
1. Tendrils                          i) Bryophyllum
2. Spines                            ii) Dionea
3. Phyllodes                      iii) Acacia
4. Insectivorous                 iv) Cacti
5. Reproductive leaf           v) Pea
A) 1- iv, 2- ii, 3- iii, 4- i, 5- v
B) 1- v, 2- iv,3- iii, 4- ii,5- i
C) 1- i, 2- iv, 3- iii, 4- ii,5- v
D) 1- v, 2- iv, 3- iii, 4- i, 5- ii

9. Match the following Fruit Example
1. Berry                      i) Oryza
2. Pepo                      ii) Custard apple
3. Aggregate             iii) Guava, tomato
4. Caryopsis             iv) Cucumber
5. Compound            v) Pineapple
A) 1- iii, 2- ii, 3- i, 4- iv, 5- v
B) 1- v, 2- iv,3- iii, 4- ii ,5- i
C) 1- i, 2- iv, 3- iii, 4- ii, 5- v
D) 1- iii, 2- iv, 3- ii, 4- i, 5- v

10. Match the following Vitamin chemical name
I..D 1. Calciferol
II. A 2. Tocopherol
III. C 3. Phylloquinone
IV. E 4. Retinal
V. K 5. Ascorbic acid
A) I-4, II-1, III-5, IV-2, V-3
B) I-1, II-4, III-5, IV-3, V-2
C) I-1, II-4, III-5, IV-2, V-3
D) I-1, II-2, III-3, IV-4, V-5

11. Match the following two lists and select the most accurate option.
List- I
A. Oxygen evolving complex ferric oxalate
B. Proton gradient concentration
C. Hill reagent
D. Photo-respiration
List- II
I. Potassium
II. High oxygen
III. ATP synthesis
IV. Pheophytin
V. Photolysis of water
A) A – V, B – III, C – I, D – II
B) A – I, B – II, C – IV, D – V
C) A – V, B – I, C – IV, D – II
D) A – I, B – IV, C – III, D – V

12. Which of the following is WRONGLY matched?
A) Sorghum – Kranz anatomy
B) PEP carboxylase – Mesophyll cells
C) Blackman – Law of limiting factors
D) PS II – P700

13. Stomatal opening is affected by
A) Nitrogen concentration, carbon dioxide concentration and light
B) Carbon dioxide concentration, temperature and light
C) Nitrogen concentration, light & temperature
D) Carbon dioxide concentration, nitrogen concentration and temperature

14. Turgidity of the cells is maintained by
1) Osmotic pressure
2) Wall pressure
3) Turgor pressure
4 ) Diffusion pressure
Select the suitable answer
A) 1
B) 1 & 2
C) 3
D) 1, 2 & 3

15. Hydathodes are also called?
1) Guard cells
2) Sunken stomata
3) Water stomata
4) Subsidiary cells
A) 1
B) 2 & 3
C) 3
D) 2, 3 & 4

16. Which one of the following pairs, is not correctly matched?
A) IAA – Cell wall elongation
B) Abscisic acid – Stomatal closure
C) Gibberellic acid – Leaf fall
D) Cytokinin – Cell division

17. Read the following statements
1) Krebs cycle and Calvin cycle
2) TCA cycle and citric acid cycle
3) Tricarboxylic acid cycle and urea cycle
4) Citric acid cycle and Calvin cycle
Which of the following is / are two names refer to one and the same things?
A) 1
B) 2
C) 2 & 3
D) 4

18. Assertion(A): The imbalance in concentration of Na+, K+ and proteins generates resting potential.
Reason (R): To maintain the unequal distribution of Na+ and K+, the neurons use electrical energy.
A) Both A and R are true and R is the correct explanation of the A.
B) Both A and R are true but the R is not the correct explanation of A.
C) A is true, but R is false.
D) Both A and R are false.

19. Match the following
1) Eye                   a) Papillae
2) Nose                  b) Codes and rods
3) Ear                   c) To maintain balance
4) Skin                  d) Sensitive to odourchemicals
5) Tongue              e) Cutaneous receptors
Choose the right answer
A) 1- a, 2- d, 3-c, 4-a, 5-e
B) 1- b, 2- d, 3-c, 4-d, 5- a
C) 1- b, 2- c, 3- d, 4-a, 5- e
D) 1-d, 2- a, 3- e, 4- c, 5- b

20. Assertion (A): Phase of cell division is also known as formative phase.
Reason (R): In formative phase new cells are produced from pre-existing cells through meiosis division.
A) Both A and R are true and R is the correct explanation of the A.
B) Both A and R are true but the R is not the correct explanations of A.
C) A is true, but R is false.
D) Both A and R are false.

21. 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’.

22. The inactivated X chromosome is referred to as a?
1) Nuclear body
2) Barr body
3) Polar body
4) Golgi body
A) 1
B) 2
C) 1, 3
D) 4

23. The idea of Natural selection as the fundamental process of evolutionary changes was reached
A) Independently by Charles Darwin and Alfred Russel Wallace in 1900
B) By Charles Darwin in 1866
C) By Alfred Russel Wallace in 1901
D) Independently by Charles Darwin and Alfred Russel Wallace in 1859

24. What is common to whale, seal and shark?
A) Homeothermy
B) Seasonal migration
C) Thick subcutaneous fat
D) Convergent evolution

25. The Segments of DNA, capable of moving from one location to another are
A) Introns
B) Transposons
C) Exons
D) Operons

26. Match the followings:
A) tRNA                          1) Linking of amino acids
B) mRNA                        2) Transfer of genetic information
C) rRNA                         3) Nucleolar organising region
D) Peptidyl Transferase  4) Transfer of amino acid from cytoplasm of ribosome
A) A- 4, B- 2, C- 3, D- 1
B) A- 1, B- 4, C- 3, D- 2
C) A- 1, B- 2, C- 3, D- 4
D) A- 1, B- 3, C- 2, D- 4


27. A phenomenon where the third base of t-RNA at its 5’ end can pair with a non complementary base of m-RNA is called
A) Degeneracy
B) Wobbling
C) Universality
D) Collinearity

28. Match the following Types of ovule Example
I. Anatropous                     1. Sunflower
II. Orthotropous                 2. Polygonum
III. Campylotropous          3. Fabaceae family
A) I-3, II-1, III-2
B) I-2, II-3, III-1
C) I-2, II-1, III-3
D) I-1, II-2, III-3

29. Which one of the following pairs, is not correctly matched?
A) IAA – Cell wall elongation
B) Abscisic acid – Stomatal closure
C) Gibberellic acid – Leaf fall
D) Cytokinin – Cell division

30. Match the following
List-I                                                List-II
a) Haemophilia              1. Deficiency disease
b) Diabetes                     2. Genetic disease
c) Rickets                       3. Hormonal disorder
d) Ring worm                 4. Fungal infection
A) a-2, b-3, c-4, d- 1
B) a-2, b-3, c-1, d-4
C) a-3, b-2, c-1, d-4
D) a-3, b-2, c-4, d-1

31. Red Data Book is produced by?
A) WWF
B) IBWL
C) IUCN
D) BNHSI

32. Assertion 
(A): Humas makes the soil fertile. Reason
(R) : Humas consists of decayed organic matter.
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.

33. Match the following
      List I                                        List II
a) Gonads                                   1. Insulin
b) Pituitary                                 2. Progesterone
c) Pancreas                                 3. Growth hormones
d) Adrenal                                  4. Cortisone
A) a-2, b-4, c-3, d- 1
B) a-2, b-3,c-1, d-4
C) a-3,b-2, c-1, d-4
D) a-3, b-4, c-1, d-2

34. The correct sequence of the consumer food chain energy flow is?
A) Producer carnivore reducer herbivore
B) Reducer herbivore carnivore Producer
C) Producer Reducer herbivore carnivore
D) Producer herbivore carnivore Omnivore

35. Major reason of soil erosion in India is?
A ) Tilling of land
B) Deforestation
C) Overgrazing and deforestation
D) Overgrazing


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