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SSC CGL CHSL CPO General Awareness 10,000 MCQs Series Part 9/200

SSC CGL CHSL CPO General Awareness 10,000 MCQs Series Part 9/200

SSC CGL CHSL CPO General Awareness 10,000 MCQs Series Part 9/200

 

Q451. The cross-section of a stem of tree has fifty rings, what is the age of the tree?

(a) 50 months

(b) 5 years

(c) 25 years

(d) 50 years

Q452. Onion is a modified form of

(a) leaf

(b) stem

(c) root

(d) None of these

Q453. The pollination of maize takes place by

(a) self-pollination

(b) pollination by insects

(c) pollination by air

(d) pollination by rain

Q454. Why radiologists do not take direct X-ray photographs of intestine?

(a) Intestines are affected by direct exposure to X-rays

(b) X-rays cannot cross intestine

(c) X-rays are not able to capture clear picture

(d) Even short exposure of X-rays causes cancer in intestine

Q455. Exobiology deals with the study of:

(a) external characters of living organisms

(b) life on the surface of the earth

(c) life in the outer layers of atmosphere

(d) life in other planets and space

Q456. Animals do not have enzyme systems which enable them to make use of the energy from:

(a) fat

(b) water

(c) protein

(d) carbohydrate

Q457. A clone is a colony of:

(a) cells having different shapes

(b) cells having similar shape

(c) cells having similar genetic constitution

(d) cells having different genetic constitutions

Q458. The pollen grains of flowers pollinated by insects are:

(a) smooth and dry

(b) rough and sticky

(c) rough and dry

(d) large and showy

Q459. Which one of the following substances is used for preservation of food grains?

(a) Sodium benzoate

(b) Vinegar

(c) Sodium chloride

(d) Potassium permanganate

Q460. The disease caused by Asbestos is:

(a) Emphysema

(b) Paralysis

(c) Diarrhoea

(d) Dysentery

Q461. In the eye, colour vision is effected by the presence of:

(a) Choroid coat

(b) Sclerotic coat

(c) Rods

(d) Cones

Q462. Which of the following is NOT one of the important steps in processing tea leaves?

(a) Rolling

(b) Drying

(c) Fermenting

(d) Withering

Q463. Dehydration in human body is caused due to the loss of:

(a) vitamins

(b) salts

(c) hormones

(d) water

Q464. Which of the following is the largest living bird?

(a) Eagle

(b) Peacock

(c) Ostrich

(d) Kiwi

Q465. In the case of test tube babies

(a) egg is fertilized in the uterus.

(b) embryo completes its development in a test tube.

(c) embryo is placed in uterus after 2 months.

(d) egg is fertilized outside mother’s body.

Q466. The age of trees is determined by its:

(a) girth

(b) height

(c) growth rings

(d) general appearance

Q467. Kidney disease in man is caused by the pollutant:

(a) Cadmium

(b) Iron

(c) Cobalt

(d) Carbon

Q468. Fruits of this plant are found underground:

(a) Potato

(b) Carrot

(c) Groundnut

(d) Onion

Q469. A rare and endangered animal in Silent Valley is:

(a) Musk deer

(b) Tiger

(c) Lion-tailed macaque

(d) Rhinosores

Q470. Quantity of fresh air required for a man is

(a) 1000 cubic feet of air for every 20 minutes

(b) 1000 cubic feet of air for every 20 seconds

(c) 1000 cubic feet of air for every 10 minutes

(d) 1000 cubic feet of air for every 10 seconds

Q471. Reserpine is used to:

(a) reduce high blood pressure

(b) increase blood pressure when it is low

(c) alleviate pain

(d) cure arthritis

Q472. ’ELISA’ test is employed to diagnose:

(a) Poliovirus

(b) AIDS antibodies

(c) Tuberculosis bacterium

(d) Cancer

Q473. Why excessive heating and repeated use of cooking oil is most undesirable?

(a) The oil vapours can cause indoor pollution

(b) Carcinogenic substances like benzpyrene are produced

(c) Nutrient value of food is lost

(d) Loss and wastage of oil

Q474. Which one of the following is a female sex hormone?

(a) Estrogen

(b) Androgen

(c) Oxytocin

(d) Insulin

Q475. Clove, the commonly used spice, is obtained from the:

(a) root

(b) stem

(c) flower bud

(d) fruit

 

Q476. Labourers who do hard manual labour develop thick skin on their palms and soles due to:

(a) thick epidermis

(b) thick dermis

(c) thick subcutaneous tissue

(d) All of these

Q477. Maximum photosynthetic activity occurs in:

(a) blue and red region of light

(b) green and yellow region of light

(c) blue and orange region of light

(d) violet and orange region of light

Q478. AIDS virus has:

(a) single-stranded RNA

(b) double-stranded RNA

(c) single-stranded DNA

(d) double-stranded DNA

Q479. A ‘breath test’ used by traffic police to check drunken driving uses:

(a) potassium dichromate-sulphuric acid

(b) potassium permanganate – sulphuric acid

(c) turmeric on filter paper

(d) silica gel coated with silver nitrate

Q480. Anglo-Nubian is a breed of:

(a) sheep

(b) goat

(c) poultry

(d) cattle

Q481. What kind of soil is treated with gypsum to make it suitable for cropping?

(a) Alkaline

(b) Acidic

(c) Water-logged

(d) Soil with excessive day content

Q482. Typhoid fever is caused by-

(a) virus

(b) bacteria

(c) fungus

(d) allergy

Q483. Which of the following blood group is a universal reciptient?

(a) A

(b) B

(c) AB

(d) O

Q484. Rod shaped bacteria is called

(a) Bacillus

(b) Spirillum

(c) Coccus

(d) Coma

Q485. The animal which has become extinct recently in India happens to be

(a) Golden cat

(b) Cheetah

(c) Wooly wolf

(d) Rhinoceros

Q486. All the progeny obtained from a single plant by vegetative propagation are called

(a) Clones

(b) Pure line

(c) Indred line

(d) Pedigree line

Q487. What is a Sponge?

(a) A fungus

(b) A fossil

(c) A plant

(d) An animal

Q488. Which of the following blood groups may be present in the children of a couple having blood groups A and B, respectively?

(a) A and B only

(b) A, B and AB

(c) A, B, AB and 0             

(d) AB only

Q489. Which of the following diseases is caused by a virus?

(a) Polimyletis

(b) Malaria

(c) Whooping cough

(d) Ringworm

Q490. Which of the following has no skeleton at all?

(a) Starfish

(b) Sponge

(c) Jellyfish

(d) Silver fish

Q491. What is an endoscope?

(a) It is an optical instrument used to see inside the alimentary canal

(b) It is a device which is fitted on the chest of the patient to regularize the irregular heartbeats

(c) it is an instrument used for examining ear disorders

(d) It is an instrument for recording electrical signals produced by human muscles

Q492. The age of a tree can be determined more or less accurately by

(a) counting the number of branches

(b) measuring the height of the tree

(c) measuring the diameter of the trunk

(d) counting the number of rings in the trunk

Q493. Of all micro-organisms, the most adaptable and versatile are

(a) Viruses

(b) Bacteria

(c) Algae

(d) Fungi

Q494. The disease in which the sugar level of blood increases is known as

(a) Diabetes mellitus

(b) Diabetes insipidus

(c) Diabetes imperfectus

(d) Diabetes sugarensis

Q495. Which one of the following is not a mosquito home disease?

(a) Dengue fever

(b) Filariasis

(c) Sleeping sickness

(d) Malaria

Q496. Which one of the following is the tallest bird?

(a) Peacock

(b) Penguin

(c) Ostrich

(d) Emu

Q497. Which one of the following animals is called farmer’s friend?

(a) Ant

(b) Earthworm

(c) Bee

(d) Butterfly

Q498. The term ‘gene’ was coined by

(a) T. H. Morgan

(b) W, L. Johanssen

(c) G. Mendel

(d) De Vries

Q499. Which one of the following creatures has maximum number of ribs?

(a) Crocodile

(b) Snake

(c) Ray fish

(d) Flying mammal

Q500. Which one of the following is most important for the growth of children up to the age of 14?

(a) Protein

(b) Vitamin

(c) Fat

(d) Milk

 

Question Answer Question Answer
451        d 476         d
452        b 477         a
453        c 478         a
454        c 479         a
455        d 480         b
456        a 481         a
457        c 482         b
458        b 483         c
459        a 484         a
460        a 485         b
461        d 486         a
462        c 487        d
463        d 488        c
464        c 489        a
465        c 490        d
466        a 491        a
467        c 492        d
468        c 493        a
469        a 494        a
470        a 495        c
471        a 496        c
472        c 497        b
473        b 498        b
474        a 499        b
475        c 500        a