Biology - Questions and Answers, General Study (GK)

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781.

Aquaculture is the

(a)Loss of water by plants

(b)Use of water for farming

(c)Water content of organisms

(d)Water portion of the biosphere

Comment

Answer is: B

782.

The earliest human who practised crude surgery, kept records, created some art, and conducted formal burial rites were

(a)Homo erectus

(b)Early Homo sapiens

(c)Neanderthal man

(d)Cro-Magnon man

Comment

Answer is: C

783.

Taiga represents

(a)A genus of tiger facing extinction

(b)A fossil of an extinct species of tiger

(c)The treeless ground bordering the Arctic ocean

(d)Coniferous forests

Comment

Answer is: D

784.

In a very hot climate, one is likely to find

(a)Organisms capable of aestivation

(b)Short-tailed deer

(c)Organisms capable of hibernation

(d)Coke machines

Comment

Answer is: A

785.

Snakes and vultures are eating rats in a field. If wild dogs are let into the field the immediate result will be a

(a)Decrease in the number of rats

(b)Decrease in the number of vultures

(c)Increase in the number of snakes

(d)Decrease in the number of snakes

Comment

Answer is: B

786.

Which of the following cells/structures are excretory in function?
1. Malpighian tubules
2. Flame cells
3. Amoeboid coelomocytes
4. Chlorogogen cells

(a)1, 2

(b)2, 3

(d)1, 2, 3, 4

Comment

Answer is: D

787.

Radiocarbon dating is used to find the age of

(a)Fossils

(b)Buildings

(c)Babies

(d)Rocks

Comment

Answer is: A

788.

The mutation theory of evolution was proposed by

(a)Lamarck

(b)Mendel

(c)Darwin

(d)None of these

Comment

Answer is: D

789.

Palaeontology is the study of

(a)Bones

(b)Birds

(c)Primates

(d)Fossils

Comment

Answer is: D

790.

The Lamarckian theory of organic evolution is usually known as the theory of

(a)Natural selection

(b)Continuity of germplasm

(c)Descent with change

(d)Inheritance of acquired characters

Comment

Answer is: D

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Biology - Questions and AnswersPage 79

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