Recent questions tagged zoology

Genetic engineering involves :

asked Jun 15, 2018 by pady_1

1 answer

Knife of DNA :

asked Jun 15, 2018 by pady_1

3 answers

Nucleic acid in HIV :

asked Jun 15, 2018 by pady_1

1 answer

DNA of E.Coli :

asked Jun 15, 2018 by pady_1

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Indicator of water pollution :

asked Jun 15, 2018 by pady_1

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AA Bb Cc genotypes form how many types of gametes :

asked Jun 15, 2018 by pady_1

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Contraction in gall bladder stimulated by :

asked Jun 15, 2018 by pady_1

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Many diseases can be diagnosed by observing the symptoms in the patient. Which group of symptoms are indicative of pneumonia?

asked Jan 27, 2017 by meena.p

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Consider the following statements about immunological disorder.
i. Deficiency in immune response is called immunodeficiency.
ii. Inappropriate immune response against self antigen is called auto immunity
iii. Immunodeficiency resulting from a genetic or developmental defect is called primary immunodeficiency.
iv. Severe combined immune deficiency is due to secondary immune deficiency

asked Jan 27, 2017 by priyanka.c

1 answer

Inbreeding is carried out in animal husbandry because it

asked Jan 27, 2017 by meena.p

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Assertion: Ringworms generally develop in skin folds such as in groins and between toes.
Reason: Heat and moisture help the fungus to thrive well.

asked Jan 27, 2017 by priyanka.c

1 answer

Which one of the following palindromic base sequences in DNA can be easily cut at about the middle by same particular restriction enzymes?

asked Jan 27, 2017 by meena.p

1 answer

Which one of the following alcoholic drink is produced without distillation?

asked Jan 27, 2017 by priyanka.c

1 answer

Assertion: Streptococcus thermophilus increases nutritional value of milk.
Reason: Curd and yoghurt have higher vitamin content than milk.

asked Jan 27, 2017 by priyanka.c

2 answers

Which one of the following microbes transform normal plant and animal cells to cancerous cells respectively?

asked Jan 27, 2017 by priyanka.c

1 answer

Stirred tank reactors have advantages over shake flasks because they

asked Jan 27, 2017 by priyanka.c

1 answer

Dolly sheep was genetically similar to

asked Jan 27, 2017 by priyanka.c

2 answers

A monopoly granted to a person who has either invented a new and a useful article, made improvement in the existing article or invented a new process of making an article is called

asked Jan 27, 2017 by priyanka.c

1 answer

Which of the following has been covered under broad patent category?

asked Jan 27, 2017 by priyanka.c

2 answers

Which of the following statements is not true?

asked Jan 27, 2017 by priyanka.c

1 answer

Contamination of water with sewage is indicated by cysts of

asked Jan 27, 2017 by priyanka.c

1 answer

Increasing skin cancer and high mutation rate are the result of

asked Jan 27, 2017 by priyanka.c

2 answers

Given figure represents biomagnifications of DDT in an aquatic food chain. Select the incorrect statement regarding this.

asked Jan 27, 2017 by priyanka.c

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Study the following figures and identify the enzymes involved in steps I and II.

asked Jan 27, 2017 by priyanka.c

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The domestic sewage in large cities

asked Jan 27, 2017 by priyanka.c

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Match column I with Column II and select the correct answer

asked Jan 27, 2017 by priyanka.c

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Which of the following statements regarding gene therapy is/are correct?

asked Jan 27, 2017 by priyanka.c

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Bt toxin is not toxic to human beings because

asked Jan 27, 2017 by priyanka.c

1 answer

Assertion: Genetic Engineering requires both nucleases and ligases
Reason: Ligases produce the nick in the r-DNA molecule.

asked Jan 27, 2017 by priyanka.c

0 answers

Identify the figures A and B and select the correct option

asked Jan 27, 2017 by priyanka.c

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Which of the following is not required in the preparation of a recombinant DNA molecule?

asked Jan 27, 2017 by priyanka.c

1 answer

What can you infer about the structures shown in the figure?

asked Jan 27, 2017 by meena.p

1 answer

Assertion: In MOET, hormones with progesterone-like activity are given for cow for inducing super ovulation <br> Reason: After mating, the embryos at 4-6 celled stage are removed and transferred to surrogate mothers.

asked Jan 27, 2017 by meena.p

1 answer

Coacervates are

asked Jan 27, 2017 by meena.p

1 answer

A baby has been born with a small tail. It is the case exhibiting

asked Jan 27, 2017 by meena.p

2 answers

The most commonly used marker enzyme in clinical diagnosis of prostate cancer is

asked Jan 27, 2017 by meena.p

1 answer

Organic farming includes

asked Jan 27, 2017 by priyanka.c

0 answers

Assertion: The female external genitalia includes mons pubis, * majora and * minora Reason: The glandular tissue of each breast is divided into 5-10 mammary lobes

asked Jan 27, 2017 by meena.p

1 answer

Which among the following has 23 chromosomes?

asked Jan 27, 2017 by meena.p

1 answer

The incubation period of Plasmodium vivax is

asked Jan 27, 2017 by priyanka.c

0 answers

Identify the human developmental stage shown as well as the related right plac of its occurrence in a normal pregnant woman and select the right option for the two together

asked Jan 27, 2017 by meena.p

1 answer

Opiates are

asked Jan 27, 2017 by priyanka.c

1 answer

Assertion: Blood samples should be taken during night time between 10.00pm to 4.00pm to detect filiariasis in man.
Reason: Microfiliariae exhibit nocturnal periodicity

asked Jan 27, 2017 by priyanka.c

0 answers

Which of the following is an example of isoenzyme?

asked Jan 27, 2017 by meena.p

2 answers

Assertion: A single outcross often helps to overcome inbreeding depression
Reason: Out crossing is the best breeding method for increasing milk productivity.

asked Jan 27, 2017 by priyanka.c

0 answers

Which of the following is correctly matched?

asked Jan 27, 2017 by priyanka.c

1 answer

Assertion: Disruptive selection changes the population towards one particular direction. Reason: This type of selection favours average sized individuals.

asked Jan 27, 2017 by priyanka.c

0 answers

The given graph shows the range of variation among population members for a trait determined by mutated genes. If this population is subjected to disruptive selection for several generations, which of the following distribution is most likely to result?

asked Jan 27, 2017 by priyanka.c

1 answer

Leydig cells produce a group of hormones called

asked Jan 27, 2017 by meena.p

1 answer

The steroid responsible for balance of water and electrolytes in our body is

asked Jan 27, 2017 by meena.p

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