515 MCQ Questions in english

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515 MCQ Questions in english हिन्दी

459. Which phrase best encapsulates genetic mutations?

A. Somatic mutations can be inherited from parents or acquired during life.

B. Genetic mutations that cause diseases are always passed on to offspring.

C. Different genetic mutations cause few forms of cancer.

D. Some inherited genetic mutations can be good for the offspring.

458. Which of the following is a disease caused by protozoa?

A. Kala azar

B. Small Pox

C. AIDS

D. Rabies

457. Which best describes the transformation in bacteria?

A. Bacteria take DNA from their environment.

B. Bacteria lie dormant for many weeks.

C. Bacteria inject DNA into another cell.

D. Bacteria transfer DNA with a bacteriophage.

456. Rajat struggles with hyperopia. The ophthalmologist will advise what kind of lens to correct his vision.

A. Concave

B. Convex

C. Progressive

D. Bifocal

455. The variable number of tandem repeats (VNTRs) in the DNA molecule is highly useful in

A. Monoclonal antibody production

B. Recombinant DNA technology

C. Stemcell culture

D. DNA fingerprinting

454. Which of the following contributes significantly to photosynthesis?

A. Centrosome

B. Chloroplast

C. Tonoplast

D. Nematoblast

453. For a significant infestation, the best way of eradication is

A. Chemical

B. Fusion

C. Bacteria

D. None of the above

452. How many parathyroid glands are found on the human thyroid's reverse side?

A. Six

B. Three

C. Four

D. Five

451. Which of the following is a Rhizome, specifically?

A. Ginger

B. Potato

C. Sugarcane

D. Onion

450. Fibers are absent in:

A. Liver

B. Kidney

C. Heart

D. Blood

449. In plants, the exchange of gases takes place through

A. mid rib

B. Stomata

C. Palisade tissue

D. Spongy tissue

448. A river's level of water contamination is determined by

A. Amount of chlorine dissolve in water

B. Amount of nitrogen dissolve in water

C. Amount of oxygen dissolve in water

D. Amount of Ozone dissolve in water

447. The medical graduates' oath is administered by

A. Aristotle

B. Darwin

C. Theophrastus

D. Hippocrates

446. Vitamins are

A. Essential Amino acids

B. Micro nutrients

C. Non essential Amino acids

D. Macro Nutrients

445. In sexual reproduction, the male gametes are generally ______.

A. Only food stores

B. Only motile

C. Only small

D. Both motile and small

444. The best definition of pollination is

A. transfer of pollen from anther to stigma

B. growth of pollen tube in ovule

C. visiting flowers by insects

D. germination of pollen grains

443. Which of the following is not a part of the male reproductive system in human beings?

A. Testis

B. Vas deferens

C. Ovary

D. Scrotum

442. Branch of biology in which we study the cultivation of flowering plant

A. Botany

B. Agronomy

C. Phenology

D. Floriculture

441. Cutaneous respiration occurs in

A. Salamande

B. Cockroach

C. Crab

D. Parrot

440. Paleobotany is the branch of botany in which we study about

A. Seed of plant

B. Animal fosills

C. Plant fossils

D. Flower

439. The human eye can differentiate between colors due to

A. Cones

B. Rods

C. Bipolar nerves

D. Pigmented epithelium

438. Which one of the following organisms is dependent on the saprophytic mode of nutrition?

A. Ulothrix

B. Agaricus

C. Cladophora

D. Riccia

437. Unlike Mitosis, Meiosis results in the formation of

A. Haploid cells

B. 2N daughter cells

C. body cells

D. Diploid cells

436. In which of the following kingdoms do prokaryotic cells predominate?

A. Animalia

B. Fungi

C. Monera

D. Protista

435. The child will be a male if the zygote has an __ combination.

A. XY

B. XX

C. XXY

D. XO

434. The shedding of leaves and fruits is due to the presence of a hormone named

A. Gibberellins

B. Indole - acetic acid

C. Naphthalene acetic acid

D. Abscisic acid

433. Which of the following species is locally extinct in India?

A. Siberian Crane

B. White Bellied Heron

C. The gyps Vulture

D. Forest Owlet

432. Branch of agriculture concerned with the production of crops

A. Agronomy

B. Agrostology

C. Anthropology

D. Agrotology

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