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4

Eugenics is the application of genetics to improve

A. crop plants

B. fruit trees

C. cattle

D. human beings

Correct Answer :

D. human beings


Related Questions

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4

The normal temperature of human body on the Kelvin scale is

A. 280

B. 290

C. 300

D. 310

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4

The buffer substance in blood is

A. Calcium carbonate

B. Carbon dioxide

C. Sodium bicarbonate

D. Ammonia

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4

Hypogeal germination is found in

A. castor

B. onion

C. bean

D. bengal gram

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4

Synthesis of nutrients by green plants is called

A. photo-oxidation

B. photo-respiration

C. photo-synthesis

D. photo-periodism

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4

The cell theory of Schleiden and Schwann states that

A. cells reproduce by mitosis or meiosis

B. all cells have nuclei

C. cells are basic units of plants and animals

D. cells arise only from pre-existing cells

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4

Which one of the following was probably absent in the atmosphere at the time of origin of life?

A. Ammonia

B. Oxygen

C. Hydrogen

D. Carbon

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4

The theory that believes that the first living organism came from another planet is known as

A. Catastrophism

B. Special creation

C. Organic evolution

D. Cosmozoic theory

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4

The nerve messages enter the cell through the

A. Dendrite

B. Axon

C. Cyton

D. Synapse

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4

The primary energy for living organisms is

A. Solar energy

B. Chemical energy

C. Mitochondria

D. ATP

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4

Which among the following is a balanced fertiliser for plants?

A. Urea

B. Ammonium Sulphate

C. Nitrates

D. Compost

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4

The larva of the housefly is called

A. maggot

B. caterpillar

C. grub

D. wriggler

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4

The 'germ theory of disease' was propounded by

A. Joseph Lister

B. Robert Koch

C. Louis Pasteur

D. Jacob Heule

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4

Name the nematode which lives in lymph vessels of man.

A. Ascaris

B. Hook worm

C. Filarial worm

D. Guinea worm

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4

From the end of the Triassic to the cretaceous period the earth was ruled by

A. eurypterids

B. cotylosaurs

C. dinosaurs

D. mammals

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4

Darwinism does not explain

A. progression

B. retrogression

C. usefulness of all organs

D. presence of vestigial organs

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4

Which of the following diseases is not caused by a virus?

A. Cancer

B. Rabies

C. AlDS

D. Severe Acute Respiratory Syndrome (SARS)

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4

The involuntary muscles are controlled by the

A. Cerebrum

B. Cerebellum

C. Medulla oblongata

D. Pons

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4

Hydrotropism means the growth of roots

A. away from water

B. towards water

C. into water

D. out of water

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4

Oparin is known for his hypothesis on

A. origin of species

B. origin of life

C. one germ one disease

D. one gene one enzyme

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4

What ia leukaemia?

A. proliferation of WBC

B. decrease of RBC

C. increase of platelets

D. decrease of WBC

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4

Lymphocytes are manufactured by

A. bone marrow

B. spleen

C. liver

D. lymph nodes

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4

Appearance of offspring resembling their remote ancestor is called

A. Atavism

B. Lethality

C. Mutation

D. Progeny

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4

The tallest tree in the world Sequoia™ is found in

A. UK

B. USA

C. former USSR

D. China

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4

Most of the enzymes are

A. proteins

B. lipids

C. acids

D. alkalis

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4

Plants growing in sunlight are called

A. sciophytes

B. hydrophytes

C. xerophytes

D. heliophytes

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4

Insulin is concerned with the metabolism of

A. sugar

B. fats

C. proteins

D. vitamins

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What is an antigen?

A. toxic substance

B. a kind of protein

C. blood platelets

D. blood corpuscles

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4

The bone cells are connected with each other by

A. Haversian canal

B. canaliculi

C. capillaries

D. matrix

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4

Fibrinogen is present in

A. lymph

B. liver

C. blood plasma

D. pancreas

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The blood of cockroach shows the following characteristics except one. Mark it.

A. It serves to distribute nutrient directly to every part of the body

B. It contains several kinds of corpuscles without haemoglobin

C. It collects metabolic wastes

D. It carries oxygen