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4

Saliva flows at the sight of food. This action is

A. involuntary

B. voluntary

C. a reflex

D. causative

Correct Answer :

C. a reflex


Related Questions

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The insect vector for the disease Leishmaniasis is

A. Tsetse fly

B. Culex

C. Phlebotomus

D. Anopheles

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4

What are top carnivores?

A. biggest carnivores

B. tigers

C. all carnivorous animals

D. carnivores that are not eaten by any other animal

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4

Rh+ blood is due to genes which are

A. dominant

B. recessive

C. codominant

D. neutral

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4

Timberline shows

A. a line of trees

B. the limit of the forest

C. annual rings

D. height of trees

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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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The following disease is prevented by triple-antigen immunization

A. Diphtheria

B. Tuberculosis

C. Smallpox

D. Mumps

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Under the immunisation programme's Govt. of India is providing vaccination to prevent some vaccine-preventable diseases. Which of the following is NOT one of them?

A. Tuberculosis

B. Diphtheria

C. Tetanus

D. Plague

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4

The energy for the sperm to swim and reach the egg is provided by

A. tail

B. head

C. neck

D. mitochondria

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4

Most of the enzymes are

A. proteins

B. lipids

C. acids

D. alkalis

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Animals that feed only on dead flesh are

A. herbivorous

B. carnivorous

C. omnivorous

D. carrion-eaters

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4

Organisms which synthesise their own food are called

A. autotrophs

B. heterotrophs

C. saprotrophs

D. auxotrophs

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4

The medulla oblongata encloses the

A. optic lobe

B. optic capsule

C. second ventricle

D. fourth ventricle

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4

Coagulation of blood in vessels is prevented during normal circulation by

A. heparin

B. prothrombin

C. plasmogen

D. thromboplastin

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4

The spider spins its web from a liquid secreting from its

A. posterior silk gland

B. posterior abdomen glands

C. mouth

D. salivary glands

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4

The science of improving the hereditary qualities of future generations of mankind is referred to as

A. genetics

B. eugenics

C. epigenesist

D. epistasis

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4

Hormone promoting maleness in flowering plants is

A. Indole Acetic Acid

B. Kinetin

C. Cytokinin

D. Gibberellin

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4

Measles is caused by

A. bacteria

B. fungus

C. virus

D. protozoan

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4

Intravascular clotting of blood is known as

A. anaemia

B. leucopenia

C. thrombosis

D. thrombin

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4

Haemophilia is a hereditary disease carried by

A. females and expressed by females

B. females and expressed by males

C. males and expressed by females

D. males and expressed by males

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4

The 'father of genetics' is

A. Mendel

B. Morgan

C. Darwin

D. Muller

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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

Sex linked genes are carried by

A. X-chromosomes

B. Y-chromosomes

C. different part of X- and Y-chromosomes

D. autosomes

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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

Eye is an organ that can be called as

A. Phonoreceptor

B. Thigmoreceptor

C. Photoreceptors

D. Rheoreceptor

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4

For which of the following is insulin treatment given?

A. Cancer

B. Diabetes

C. Asthma

D. Typhoid

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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 enzyme that is necessary to bring about clotting of blood is

A. peptidase

B. amylase

C. lipase

D. thrombokinase

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4

Measles and influenza are caused by

A. virus

B. bacteria

C. insects

D. nematodes

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4

Which among the following is the best source of proteins?

A. apples

B. butter

C. beans

D. fish

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Calcium and phosphorus assimilation will depend on sufficient intake of

A. vitamin B complex

B. vitamin D

C. vitamin A

D. vitamin C