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4

The geotropism of the roots that makes them grow towards gravity is said to be

A. positive

B. negative

C. neutral

D. oblique

Correct Answer :

A. positive


Related Questions

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Aphids are

A. insect pests

B. fungal pests

C. bacterial pests

D. viral pests

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4

Total number of amino acids in plants is

A. 10

B. 20

C. 30

D. Plenty

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The protein synthesis takes place in

A. Ribosomes

B. Chromosomes

C. DNA

D. None of these

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Diabetes is caused by

A. fall in insulin level

B. increase in insulin level

C. eating too much sugar

D. decrease in glucose

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Which among the following diseases is not caused by viral infection?

A. pneumonia

B. small pox

C. mumps

D. active transport

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Excess of amino-acids are broken down to form urea in the

A. Liver

B. Kidney

C. Spleen

D. Rectum

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The part of the human brain concerned with sight is the

A. Frontal lobe

B. Parietal lobe

C. Temporal lobe

D. Occipital lobe

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4

Heart is made up of

A. nonstriated muscle

B. cardiac muscle

C. connective tissue

D. nervous tissue

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4

The insect vector for the disease Leishmaniasis is

A. Tsetse fly

B. Culex

C. Phlebotomus

D. Anopheles

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4

What are halophytes?

A. plants found in fresh water

B. plants growing in saline conditions

C. mesophytic plants

D. desert plants

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4

The tear glands help us in

A. sobbing

B. protecting the eye

C. preventing dust

D. providing a clean moist surface

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Which one of the following genetical disease is sex-linked?

A. Royal haemophilia

B. Tay-Sachs disease

C. Cystic fibrosis

D. Hypertension

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4

The gestation period for the elephant is

A. 10 months

B. 15 months

C. 22 months

D. 30 months

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Which among the following animals has the largest Intestine?

A. Cow

B. Lion

C. Monkey

D. Tiger

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The mode of nutrition in which particulate food is devoured is

A. holozoic

B. holophytic

C. saprophytic

D. parasitic

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The spores of Puccinia formed on the leaves of wheat are called

A. Basidiospores

B. Ascidiospores

C. Uredospores

D. Pycnospores

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A person with a blood group ____ is considered to be an universal donor.

A. A Positive

B. AB Positive

C. AB Negative

D. O Positive

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The golden age of Dinosaurs was

A. Palaezoic

B. Cenozoic

C. Mesozoic

D. Proterozoic

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Organisms which synthesise their own food are called

A. autotrophs

B. heterotrophs

C. saprotrophs

D. auxotrophs

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Blood plasma from which fibrinogen is removed is known as

A. serum

B. blood concentrate

C. lymph

D. antibody component

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The nerve messages enter the cell through the

A. Dendrite

B. Axon

C. Cyton

D. Synapse

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Bovine Spongiform Encephalopathy refers to

A. Brain Fever

B. Mad Cow Disease

C. Enteric Fever

D. Poultry Diarrhoea

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Dr Khorana's work relates to

A. synthesis of simple DNA

B. genetic code

C. reduction of mutation

D. synthesis of RNA from bacterial cell

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The cortex of human brain normally consists of

A. five billion, two hundred million cells

B. nine billion, two hundred million cells

C. six billion, two hundred million cells

D. eight billion, two hundred million cells

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4

The life cycle of Malarial Parasite consists of two phases in man. Where do they occur?

A. In RBC and liver cells

B. In WBC and RBC

C. In lymph

D. In gall bladder and pancreas

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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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The metallic part of haemoglobin is

A. copper

B. molybdenum

C. nickel

D. iron

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4

The 'father of genetics' is

A. Mendel

B. Morgan

C. Darwin

D. Muller

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Which one of the following seeds can benefit a patient of diabetes mellitus by normalising his blood sugar level?

A. Coriander seeds

B. Fenugreek seeds

C. Cumin seeds

D. Mustard seeds

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4

The artificial kidney operates on the principle of

A. dialysis

B. diffusion

C. osmosis

D. active transport