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Current Affairs January 2024

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Geotropism is reaction of plants to the stimulus of

A. earth

B. light

C. sound

D. gravity

Correct Answer :

D. gravity


Related Questions

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Afforestation means

A. study of forests

B. growing new forests

C. destroying the forests

D. go into the forests

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Modern classification of the living world recognise ___________ kingdoms.

A. two

B. three

C. four

D. five

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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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Valve a are present inside

A. Arteries

B. Capillaries

C. Veins

D. Lymph vessels

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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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Phonoreceptor refers to the perception of

A. light

B. sound

C. touch

D. smell

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Which one of the following is caused by the expression of a recessive gene present on sex chromosome?

A. Rheumatism

B. Nervous shock

C. Muscular dystrophy

D. Cerebral haemorrhage

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Hormones are carried from their place of production by

A. ducts

B. blood

C. lymph

D. muscus

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The pH of normal urine of man ranges from

A. 6 - 8

B. 4.5 - 6

C. 2.5 - 6

D. 8 10

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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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Stripes on the bodies of animals Indicate

A. mating habit

B. food habit

C. cave dwelling

D. matching of skin colour with the surroundings

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For which of the following is insulin treatment given?

A. Cancer

B. Diabetes

C. Asthma

D. Typhoid

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Antisnake venom is prepared by

A. Pasteur institute

B. Hoffkine's institute

C. Birla's institute

D. Indian Science Institute

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The dinosaurs (terrible lizards) became very successful during

A. Palaeozoic era

B. Mesozoic era

C. Cenozoic era

D. Archaeozoic era

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The golden age of Dinosaurs was

A. Palaezoic

B. Cenozoic

C. Mesozoic

D. Proterozoic

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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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A few infections like sore throat, whooping cough and tuberculosis are carried through the respiratory system. Which among the following is caused by bacteria while passing through the respiratory tract?

A. diphtheria

B. dysentery

C. jaundice

D. typhoid

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4

In movable joints the tips of the bones are covered with

A. hyaline cartilage

B. calcified cartilage

C. elastic cartilage

D. fibrous cartilage

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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 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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Mutations could be created by X-rays. This was found by

A. Muller

B. Morgan

C. Meyer

D. Flemming

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A biopsy is performed on a patient generally to detect which one of the following?

A. Cancer

B. Tuberculosis

C. Appendicitis

D. Renal failure

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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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Plantain is

A. a tree

B. an annual herb

C. a perennial herb

D. a shrub

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Phototropism means that plants react to the direction of

A. sound

B. wind

C. light

D. gravity

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4

Haemoglobin is dissolved in the plasma of

A. frog

B. fish

C. man

D. earthworm

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The amount of blood in a normal man is about

A. 5.0 litres

B. 2.5 litres

C. 3.8 litres

D. 4.7 litres

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4

Compared to the veins, the walls of arteries are

A. thicker

B. thinner

C. similar

D. very much thinner

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4

Kangaroo is one of the animals popularly called as

A. egglaying

B. pouched

C. placental

D. Volant

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Cutting and layering are the methods of plant propagation usually referred to as

A. asexual reproduction

B. sexual reproduction

C. vegetative reproduction

D. gardening