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4

Whale reproduces by

A. ovipary

B. vivipary

C. ovovivipary

D. fission

Correct Answer :

B. vivipary


Related Questions

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4

During dehydration, the human body is usually lost by the human body is

A. sugar

B. sodium chloride

C. potassium chloride

D. iodine

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4

Scurvy is prevented by vitamin

A. A

B. B

C. C

D. D

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4

When one gene controls two or more different characters simultaneously, the phenomenon is called

A. Apomixis

B. Pleiotropy

C. Polyploidy

D. Polyteny

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4

The grey matter of the brain is so coloured because of the concentration of

A. nerve cells

B. a pigment

C. nerve fibres

D. melanin

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4

Colour vision is made possible by the cells in the retina called

A. rods

B. cones

C. fovea

D. blind spot

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4

The specific gravity of blood

A. lower than water

B. higher than water

C. same as water

D. many times that of water

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Blood is

A. acidic

B. alkaline

C. neutral

D. like a buffer

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The metallic part of haemoglobin is

A. copper

B. molybdenum

C. nickel

D. iron

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4

Man has ____ pairs of salivary glands.

A. 3

B. 4

C. 6

D. 8

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4

Who first observed the plasma membrane?

A. William Seifriz

B. Schwann

C. Palade

D. None of the above

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4

Which of the following terms is used in Botany?

A. Recession

B. Dumping

C. Barter System

D. Biennial

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4

Egg laying animals are referred to as

A. viviparous

B. oviparous

C. ovoviviparous

D. vegetative

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4

The first sign of life made its appearance on the earth about

A. 1 million years ago

B. 500 million years ago

C. 1 billion or 1000 million years ago

D. 3 billion years ago

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4

Which among the following cows give maximum milk yields?

A. Jersey

B. Holstein

C. Red Sindhi

D. Sahiwal

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4

The 'father of genetics' is

A. Mendel

B. Morgan

C. Darwin

D. Muller

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4

The theory of use and disuse was used to explain evolution by

A. Lamarck

B. Darwin

C. De Vries

D. Wallace

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4

The function of ribosomes is

A. Secretion

B. Excretion

C. Power house of the cell

D. Protein synthesis

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4

The counting of RBC's can be performed by

A. Haemocytometer

B. Haemoglobinometer

C. Clinostat

D. Thermometer

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4

Pulse rate is measured in the wrist by observing the jerks of blood In the

A. veins

B. capillaries

C. arteries

D. nerves

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4

Vessels leaving the heart are

A. veins

B. arteries

C. capillaries

D. lymph ducts

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4

Which one of the following is both an exocrine and an endocrine gland?

A. Gastric glands

B. Pancreas

C. Salivary glands

D. Liver

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4

Modern classification of the living world recognise ___________ kingdoms.

A. two

B. three

C. four

D. five

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4

Athlete's Coot is the common name for the fungal disease

A. Tinea pedis

B. Tinea cruris

C. Tinea corporis

D. Tinea capitis

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4

Temperature treatment which shortens the vegetative period and hastens the flowering is called

A. Phototropism

B. Photoperiodism

C. Vernalisation

D. Thermoregulation

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4

The most accepted theory of the origin of earth is the fiery origin which was propounded by

A. Laplace

B. Chamberlain

C. James Jean

D. Hoyle

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4

Which among the following may carry rabies?

A. Cat

B. Dog

C. Fox

D. All the three

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4

The brain is covered by

A. meninges

B. bone

C. skin

D. All the above

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4

The hormone which is Popularly called as stress hormone is

A. Epinephrine

B. Cortisone

C. Thyroxine

D. Insulin

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4

Who coined the term gene?

A. Mendel

B. Devries

C. Jacob and Monod

D. Johanson

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4

The plant cells are surrounded rigidly by

A. plasmalemma

B. cell membrane

C. cell wall

D. plasma membrane