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Recent questions tagged sec-b

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During lactation chances of conception are almost zero. Give the reason. <br> Give the term used to describe the phenomenon.

asked Apr 24 by priyanka.clay6

1 answer

Explain the technique amniocentesis. How is this technique misused?

asked Apr 24 by priyanka.clay6

1 answer

What are the measures one has to take to prevent from contracting STDs?

asked Apr 24 by priyanka.clay6

1 answer

Write any four characteristics of an ideal contraceptive?

asked Apr 24 by priyanka.clay6

1 answer

Briefly explain two barriers for birth control ?

asked Apr 24 by priyanka.clay6

1 answer

Why is CuT considered to be a good contraceptive device for spacing out children?

asked Apr 24 by priyanka.clay6

1 answer

Lactational amenorrhea is a type of contraceptive. Justify. What is the maximum effectiveness of this method in terms of period/duration?

asked Apr 24 by priyanka.clay6

1 answer

If a woman is using a copper T, will it protect her from sexually transmitted diseases? Why?

asked Apr 24 by priyanka.clay6

1 answer

A couple who was unable to bear a child, on clinical examination revealed that the wife was unable to produce a normal egg. How would you advice the infertile couple to have children?

asked Apr 24 by priyanka.clay6

1 answer

Can MTP be permitted? If not why?

asked Apr 24 by priyanka.clay6

1 answer

What are GIFT and ZIFT in relation to ART?

asked Apr 24 by priyanka.clay6

1 answer

Is the use of contraceptives justified? Give reasons.

asked Apr 24 by priyanka.clay6

1 answer

Give reasons <br> a. Surgical methods of contraception cannot prevent gamete formation <br> b. Oral pills are popular contraceptives among rural women.

asked Apr 24 by priyanka.clay6

1 answer

Is *** education necessary in schools? If so why?

asked Apr 24 by priyanka.clay6

1 answer

With the help of an example differentiate between incomplete dominance and co- dominance.

asked Apr 23 by priyanka.clay6

1 answer

Explain law of dominance with an example.

asked Apr 23 by priyanka.clay6

1 answer

Define and explain test cross.

asked Apr 23 by priyanka.clay6

1 answer

The male fruit fly and female fowl are heterogametic, while the female fruit fly and the Male fowl are homogametic. Why are they termed so?

asked Apr 23 by priyanka.clay6

1 answer

What is pedigree analysis, how is it useful?

asked Apr 23 by priyanka.clay6

1 answer

A homozygous green seeded plant is crossed with yellow seeded plant. The progeny obtained was half yellow seeded and half green seeded . <BR>i) Write the genotype of yellow seeded progeny. <BR>ii)Write the technical name of the cross.

asked Apr 23 by priyanka.clay6

1 answer

The following table shows the genotypes for ABO blood grouping and their phenotypes

asked Apr 23 by priyanka.clay6

1 answer

What is trisomy ? Give one example.

asked Apr 23 by priyanka.clay6

1 answer

Justify the situation that in human beings *** of the child is determined by father and not by mother ?

asked Apr 23 by priyanka.clay6

1 answer

The genes for hemophilia are located on *** chromosome of humans. It is normally impossible for a hemophilic father to pass the gene to his son. Why?

asked Apr 23 by priyanka.clay6

1 answer

A mother with blood group ${=}^{B'}$ has a fetus with blood group $-A'$ father is ${=}^{A'}$. Explain the situations?

asked Apr 23 by priyanka.clay6

1 answer

What do you mean by competitive release?

asked Apr 23 by priyanka.clay6

1 answer

What adaptation have parasites evolved?

asked Apr 23 by priyanka.clay6

1 answer

What characteristic of soil determine the vegetation? How are these different at different places ?

asked Apr 23 by priyanka.clay6

1 answer

Which is the deepest dwelling algae- red, green or brown, why?

asked Apr 23 by priyanka.clay6

1 answer

What is the importance of light for organisms? How do deep sea organisms get their energy ?

asked Apr 23 by priyanka.clay6

1 answer

How does temperature affect distribution of animals? Name two types based on their temperature tolerance.

asked Apr 23 by priyanka.clay6

1 answer

How are the four levels of biological organisations in ecology interrelated ?

asked Apr 23 by priyanka.clay6

1 answer

How have plants developed defence against predators ?

asked Apr 23 by priyanka.clay6

1 answer

How have prey reduced impact of predation ?

asked Apr 23 by priyanka.clay6

1 answer

What is Gause Competitive Exclusion Principle?

asked Apr 23 by priyanka.clay6

1 answer

At high altitudes places like Manali or Mansarover we suffer from altitudes sickness this is because in low atmospheric pressure, body does not get enough oxygen, but gradually the problem is over. How did our body solve this problem?

asked Apr 23 by priyanka.clay6

1 answer

List four features which enable the Xeric plants to survive in the desert conditions.

asked Apr 23 by priyanka.clay6

1 answer

Mention the attributes which a population has but not an individual organism.

asked Apr 23 by priyanka.clay6

1 answer

Differentiate between stenohaline and euryhaline organisms.

asked Apr 23 by priyanka.clay6

1 answer

Generally thermo regulation is energetically expensive for many organisms. So, many smaller animals are rarely found in extreme hot or cold climatic condition. Why? Write two specific reasons.

asked Apr 23 by priyanka.clay6

1 answer

1920's, in Australia, the prickly pear cactus caused havoc by spreading rapidly over millions of hectares of rangeland. How it was brought In the early under control. What term is used for such methods of controlling the prey?

asked Apr 23 by priyanka.clay6

1 answer

"Snow leopards are not found in Kerala forests and tuna fish are rarely found beyond tropical latitude in the ocean". Study the above two cases and states the possible reasons for the same.

asked Apr 23 by priyanka.clay6

1 answer

If a marine fish is placed in fresh water aquarium, will the fish be able to survive? Why?

asked Apr 23 by priyanka.clay6

1 answer

Study the graphical representation shown below and mention the conditions responsible for the curves 'a' and 'b' respectively.

asked Apr 23 by priyanka.clay6

1 answer

Kangaroo rats can survive in the absence of an external source of water. How do they adapt themselves to such conditions?

asked Apr 19 by priyanka.clay6

1 answer

a) Which type of growth curve does it represent? <br> b) What do the notations represent in the given equation? <br> $\frac{dN}{dt} = rN [\frac{K-N}{K}]$

asked Apr 19 by priyanka.clay6

1 answer

What does central dogma state in molecular biology? How does it differ in some viruses?

asked Apr 19 by priyanka.clay6

1 answer

Differentiate between VNTR and a probe.

asked Apr 19 by priyanka.clay6

1 answer

How do histones acquire positive charge?

asked Apr 19 by priyanka.clay6

1 answer

Differentiate between cistron and exon.

asked Apr 19 by priyanka.clay6

1 answer

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