set 4 MCQ Questions & Answers Detailed Explanation

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The following question based on genetics, evolution of life & ecological biodiversity topic of general science mcq

Questions : Which one of the following groups of animals is correctly matched with its one characteristic feature without even a single exception ?

(a) Chondrichthyes : possess cartilagious endoskeleton

(b) Reptilia : possess 3 - chambered heart with one incompletely divided ventricle

(c) Chordata : possess a mouth provided with an upper and lower jaw

(d) Mammalia : give birth to young one.

The correct answers to the above question in:

Answer: (a)

Chondrichthyes are the cartilaginous fish with a flexible skeleton made of cartilage rather than bone.

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Read more genetics evolution of life and ecological biodiversity Based General Science Questions and Answers

Question : 1

Mammoth is the ancestor of

a) Camel

b) Dog

c) Horse

d) Elephant

Answer: (d)

Question : 2

The plant group that produces spores and embryo but lacks vascular tissues and seeds is

a) Bryophyta

b) Pteridophyta

c) Rhodophyta

d) Phaeophyta

Answer: (a)

Bryophytes are the plants which produces spores and embryo but no vascular tissues are present, although primitive type of conducting tissues are present in the form of hadrome and leptome.

Question : 3

According to special creation theory the earth is about

a) 4.5 M yrs old

b) 4.5 B yrs old

c) 4000 yrs old

d) 10000 yrs old

Answer: (c)

Question : 4

Which of the following does not contain chlorophyll?

a) Bryophyta

b) Fungi

c) Algae

d) Pteridophyta

Answer: (b)

Question : 5

What was the most significant trend in the evolution of modern man (Homo sapiens) from his ancestors?

a) Increasing cranial capacity

b) Shortening of jaws

c) Binocular vision

d) Upright posture.

Answer: (a)

Question : 6

Fossils are

a) Remains of plants and animals that are still surviving

b) Remains of deadly plants and animals that are extinct

c) Both (a) & (b) 

d) None of the above

Answer: (c)

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