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Subject: Biology, asked on 10/1/19

Give scientific reason:
i)Colour blindness is common in males not in females.
ii)Salt water gargling is good for throat infection.
iii)Menstrual cycle cannot occur during pregnancy.

Subject: Biology, asked on 23/12/18

Solve this question

Subject: Biology, asked on 9/11/18

why brain cannot take rest??

Subject: Biology, asked on 2/11/18

list two function of ovaries

Subject: Biology, asked on 29/10/18

Please help me

Subject: Biology, asked on 21/10/18

If a guy asks for bobs or vegana what would you do?

Subject: Biology, asked on 13/10/18

What is the effect of DNA of copying it is not cerseptly occurated all the reproduction process Hiw does the amount of DNA remain constant through is new generation is a combination of DNA copy of two individuals?

Subject: Biology, asked on 27/6/18

1)what process shown in the figure? 2)define the process. 3)how does nature favour this process.

A R
Subject: Biology, asked on 27/5/18

Explain c option
Q.13. One of the legal methods of birth control is
(a) abortion by taking an appropriate medicine
(b) by abstaining from coitus from day 10-17 of the menstrual cycle
(c) by having coitus at the time of day break
(d) by a premature ejaculation during coitus

A R
Subject: Biology, asked on 26/5/18

Please explain the underlined line

Nearly 45 to 50 millions MTPs are performed in a year all over the world which accounts to 1/5th of the total number of conceived pregnancies in a year. 

 

Subject: Biology, asked on 23/5/18

What is sexual reproduction?Name the organs of sexual reproduction?

A R
Subject: Biology, asked on 22/4/18

What is apospory

A R
Subject: Biology, asked on 22/4/18

Q 105

105.  An embryo may sometimes develop from any cell of embryo sac other than egg. It is termed as

(a)  apospory
(b)  apogamy
(c)  parthenogenesis
(d)  parthenocarpy

A R
Subject: Biology, asked on 21/4/18

The number of free nuclei formed before cellularisation varies greatly .Please explain this line.
endosperm tissue. The cells of this tissue are fined with 
reserve food materials and are use or e nutrition of 
the developing the PEN undergoes successive 
nuclear divisions to give rise to free nuclei. This stage of 
endosperm development is called free-nuclear endosperm.
Subsequently cell wall formation occurs and the 
endosperm becomes cellular. The number of free nuclei 
formed before cellularisation varies greatly The coconut 
water from tender coconut that you are familiar with, is 
nothing but free- nuclear endosperm (made up of 
thousands of nuclei) a n surrounding white kernel is the cellular endosperm. 
Endosperm may either be completely consumed by the 
developing embryo (e.g.. pea. groundnut, beans) before seed 

A R
Subject: Biology, asked on 21/4/18

Q. Choose the incorrect statement from the following:
  1. In birds and mammal internal fertilisation takes place.
  2. Colostrum contains antibodies and nutrients.
  3. Polyspermy in mammals is prevented by the chemical changes in the egg surface.
  4. In the human female implantation occurs almost seven days after fertilisation.

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