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4

The protein synthesis takes place in

A. Ribosomes

B. Chromosomes

C. DNA

D. None of these

Correct Answer :

A. Ribosomes


Related Questions

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4

What is the bacterial disease in lime fruits?

A. Phythophthora

B. White rust

C. Citrus canker

D. Smut disease

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4

Fledgling is a term often used to denote the young one of a

A. bird

B. fox

C. dog

D. man

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4

Blood is a kind of

A. epithelial tissue

B. connective tissue

C. nervous tissue

D. cartilage

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4

Vitamin D deficiency leads to

A. sterility

B. pellagra

C. rickets

D. capillary fragility

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4

Translocation of food takes place in plants through

A. xylem

B. phloem

C. cambium

D. cortex

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4

The thermoregulatory centre in the human brain is the

A. Pituitary

B. Spinal cord

C. Cerebellum

D. Hypothalamus

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4

Biocatalysts are

A. hormones

B. vitamins

C. enzymes

D. pheromones

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4

Blood pressure is measured by

A. Auxanometer

B. Stethoscope

C. Sphygmomanometer

D. Kaleidoscope

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4

Loss of blood is

A. clotting

B. receding

C. healing

D. drying up

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4

Dinosaur is a/an

A. Fish

B. Amphibian

C. Reptile

D. Bird

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4

Blood platelets are found in

A. all vertebrates

B. all chordates

C. mammals only

D. birds and mammals

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4

If a father has blood group A and the mother has blood group 0, which one of the blood groups may be found in their progeny?

A. A

B. AB

C. O

D. Both (a) and (c)

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4

Waldeyer gave the name

A. microsome

B. chromosome

C. ribosome

D. lysosome

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4

The bile contains the pigments

A. haemoglobin and haemoerythrin

B. biliviridin and bilirubin

C. bilirubin and haemocyanin

D. haemoglobin and biliviridin

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4

Tse-Tse fly is the vector for

A. malarial parasite

B. try peorosoma

C. piroplasm

D. microfilaria

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4

The ultimate substances to which the carbohydrates are degraded are

A. amino acid

B. glycerol

C. glucose

D. maltose

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4

Fishes send out their nitrogenous waste as

A. ammonia

B. urea

C. uric acid

D. sweat

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4

The disease Goitre is caused in persons who do not have in their diet sufficient

A. calcium

B. sodium

C. iodine

D. iron

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4

The universal recipient belongs to blood group

A. A

B. B

C. AB

D. O

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4

The theory that cells arise from the pre-existing cells was proposed by

A. Nageli

B. Virchow

C. Schleiden

D. Muller

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4

Lizards, snakes, crocodiles and turtles belong to the class

A. Aves

B. Reptilia

C. Mammalia

D. Amphibia

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4

Lamarck's theory of inheritance of acquired characters was challenged by

A. August Weismann

B. Hugo de Vries

C. Herbert- Spencer

D. Carl Linnaeus

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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

Which among the following is a Cast growing tree?

A. Teak

B. Eucalyptus

C. Banyan

D. Coconut

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4

Blood is

A. acidic

B. alkaline

C. neutral

D. like a buffer

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4

The germ theory of diseases was put forward by

A. Louis Pasteur

B. Luister

C. Leuwenhoek

D. Flemming

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4

Aphids are

A. insect pests

B. fungal pests

C. bacterial pests

D. viral pests

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4

Cancer cells are more easily damaged by radiation than normal cells because they are

A. different in structure

B. non-dividing

C. starved of nutrition

D. undergoing rapid division

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4

Consumption of potassium cyanide leads to total stoppage of cellular activity in the human body, as it cripples the

A. heart

B. lungs

C. kidneys

D. mitochondria

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4

Damage to hearing is caused by sounds which exceed

A. 70 decibels

B. 80 decibels

C. 100 decibels

D. 120 decibels