Genetics, Evolution Of Life & Ecological Biodiversity - Category Wise Question And Answer Practice Test With Solutions

GENETICS, EVOLUTION OF LIFE & ECOLOGICAL BIODIVERSITY PRACTICE TEST [5 - EXERCISES]

Set 1

Set 2

Set 3

Set 4

Set 5

Question : 21

The famous botanical garden ‘Kew’ is located in

a) Berlin

b) England

c) Lucknow

d) Australia

Answer: (b)

Question : 22 [CDS]

Which of the following is not a bird?

a) Kiwi

b) Bat

c) Emu

d) Ostrich

Question : 23

Consider the following statements :

  1. Sickle cell anaemia is a genetic disease common in tropical and sub-tropical countries.
  2. Sickle-cell anaemia is due to mutation in β-globulin gene.
  3. Due to the sickle-shaped RBCS oxygen carrying capacity of the haemoglobin decreases.
Which of the statement(s) given above is/are correct?

a) 2 and 3

b) 1, 2 and 3

c) 1 only

d) 3 only

Answer: (b)

Due to mutation in the b-globulin gene of haemoglobin, the oxygen carrying capacity of RBCs decreases considerably, eventually causing sickle cell andaemia.

Question : 24

Which is not a stem modification ?

a) Pitcher of Nepenthes

b) Rhizome of ginger

c) Corm of Colocasia

d) Tuber of potato

Answer: (a)

Question : 25

All producers are

a) All autotrophs

b) Food making organisms

c) Make food in the presence of sunlight with chlorophyll

d) All the above

IMPORTANT GENERAL SCIENCE MCQ EXERCISES

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