Recent questions tagged zoology

Which one of the following pairs of items correctly belongs to the category of organs mentioned against it?

asked Jul 26, 2018 by pady_1

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According to Central Pollution Control Board (CPCB), which particulate size in diameter (in micrometers) of the air pollutants is responsible for greatest harm to human health?

asked Jul 26, 2018 by pady_1

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In humans, blood passes from the post caval to the diastolic right atrium of heart due to:

asked Jul 26, 2018 by pady_1

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What is vital capacity of our lungs?

asked Jul 26, 2018 by pady_1

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The most active phagocytic white blood cells are:

asked Jul 26, 2018 by pady_1

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In human adult females oxytocin:

asked Jul 26, 2018 by pady_1

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Which one of the following is NOT a characteristic of phylum Annelida?

asked Jul 26, 2018 by pady_1

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Which extraembryonic membrane in humans prevents desiccation of the embryo inside the uterus?

asked Jul 26, 2018 by pady_1

1 answer

Which one of the following is the true description about an animal concerned?

asked Jul 26, 2018 by pady_1

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Earthworms have no skeleton but during burrowing the anterior end becomes turgid and acts as a hydraulic skeleton. It is due to:

asked Jul 26, 2018 by pady_1

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Which one of the following pairs of nitrogenous bases of nucleic acids, is wrongly matched with the category mentioned against it?

asked Jul 26, 2018 by pady_1

1 answer

Darwin's Finches are an excellent examples of:

asked Jul 26, 2018 by pady_1

2 answers

A competitive inhibitor of succinic dehydrogenase is :

asked Jul 26, 2018 by pady_1

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Ascaris is characterized by :

asked Jul 26, 2018 by pady_1

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Consider the following statements about biomedical technologies, (i) During open heart surgery blood is circulated in the heart-lung machine (ii) Blockage in coronary arteries is removed by angiography (iii) Computerised Axial Tomography (CAT) shows detailed internal structure as seen in a section of body. (iv) X-ray provides clear and detailed images of organs like prostate glands and lungs Which two of the above statements are correct?

asked Jul 26, 2018 by pady_1

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Which one of the following in birds, indicates their reptilian ancestry?

asked Jul 26, 2018 by pady_1

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Main objective of production/use of herbicide resistant GM crops is to:

asked Jul 26, 2018 by pady_1

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Which one of the following is the correct statement regarding the particular psychotropic drug specified?

asked Jul 26, 2018 by pady_1

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What will happen if the secretion of parietal cells of gastric glands is blocked with an inhibitor?

asked Jul 26, 2018 by pady_1

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Which one of the following is the correct matching of the site of action on the given substrate, the enzyme acting upon it and the end product?

asked Jul 26, 2018 by pady_1

1 answer

Consider the statements given below regarding contraception and answer as directed thereafter: (i) Medical Termination of Pregnancy (MTP) during first trimester is generally safe (ii) Generally chances of conception are nil until mother breast-feeds the infant upto two years (iii) Intrauterine devices like copper-T are effective contraceptives (iv) Contraception pills may be taken upto one week after coitus to prevent conception. Which two of the above statement are correct?

asked Jul 26, 2018 by pady_1

1 answer

Cry1 endotoxins obtained from Bacillus thuringiensis are effective against:

asked Jul 26, 2018 by pady_1

1 answer

Carbohydrates are commonly found as starch in plant storage organs. Which of the following five (1-5) properties of starch make it useful as a storage material? (1) Easily translocated (2) Chemically non-reactive (3) Easily digested by animals (4) Osmotically inactive (5) Synthesized during photosynthesis

asked Jul 26, 2018 by pady_1

2 answers

Match the disease in Column I with the appropriate items (pathogen/ prevention/ treatment) in Column II.

asked Jul 26, 2018 by pady_1

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Cornea transplant in humans is almost never rejected. This is because:

asked Jul 26, 2018 by pady_1

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What is antisense technology?

asked Jul 26, 2018 by pady_1

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Modern detergents contain enzyme preparations of:

asked Jul 26, 2018 by pady_1

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During the propagation of a nerve impulse, the Q action potential results from the movement of:

asked Jul 26, 2018 by pady_1

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Which one of the following is the correct difference between Rod cells and Cone cells of our retina? OPTIONS :

asked Jul 26, 2018 by pady_1

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Which one of the following phyla is correctly matched with its two general characteristic?

asked Jul 26, 2018 by pady_1

1 answer

The blood calcium level is lowered by the deficiency of:

asked Jul 26, 2018 by pady_1

2 answers

Which one of the following pairs of organs includes only the endocrine glands?

asked Jul 26, 2018 by pady_1

1 answer

Gel electrophoresis is used for:

asked Jul 26, 2018 by pady_1

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Human insulin is being commercially produced from a transgenic species of:

asked Jul 26, 2018 by pady_1

1 answer

Which type of white blood cells are concerned with the release of histamine and the natural anti-coagulant heparin?

asked Jul 26, 2018 by pady_1

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Given below is a diagrammatic cross section of a single loop of human cochlea: A B C A D Which one of the following options correctly represents the names of three different parts?

asked Jul 26, 2018 by pady_1

1 answer

Thorn of Bougainvillea and tendril of Cucurbita are examples of:

asked Jul 26, 2018 by pady_1

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The linking of antibiotic resistance gene with the plasmid vector became possible with:

asked Jul 26, 2018 by pady_1

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Given below are four methods (A-D) and their modes of action (1-4) in achieving contraception. Select their correct matching from the four options that follow: Answer codes :

asked Jul 26, 2018 by pady_1

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Lysozyme that is present in perspiration, saliva and tears, destroys:

asked Jul 26, 2018 by pady_1

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Which one of the following is a viral disease of poultry ?

asked Jul 26, 2018 by pady_1

2 answers

Which one of the following pairs is wrongly matched ?

asked Jul 26, 2018 by pady_1

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A human male produces sperms with the genotypes AB, Ab, AB, and ab pertaining to two diallelic characters in equal proportions. What is the corresponding genotype of this person ?

asked Jul 26, 2018 by pady_1

1 answer

Probiotics are-

asked Jul 26, 2018 by pady_1

2 answers

Which one of the following statements is correct ?

asked Jul 26, 2018 by pady_1

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The length of DNA molecule greatly exceeds the dimensions of the nucleus in eukaryotic cells. How is this DNA accommodated ?

asked Jul 26, 2018 by pady_1

1 answer

In pea plants, yellow seeds are dominant to green. If a heterozygous yellow seeded plant is crossed with a green seeded plant, what ratio of yellow and green seeded plants would you expect in $F_1$ generation ?

asked Jul 26, 2018 by pady_1

1 answer

Differentiation of organs and tissues in a developing organism, is associated with-

asked Jul 26, 2018 by pady_1

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In maize, hybrid vigour is exploited by:-

asked Jul 26, 2018 by pady_1

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Two genes R and Y are located very close on the chromosomal linkage map of maize plant. When RRYY and rryy genotypes are hybridized, the $F_2$ segregation will show:-

asked Jul 26, 2018 by pady_1

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