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Reduction in pH of blood will:

release bicarbonate ions by the liver.
reduce the rate of heart beat.
reduce the blood supply to the brain.
decrease the affinity of hemoglobin with oxygen.
Additional Questions

Which of the following characteristic features always holds true for the corresponding group of animals ?

Answer

Match the terms in Column I with their description in Column II and choose the correct option:

Column IColumn II
(a) Dominance(i) Many genes govern a single character
(b) Codominance(ii) In a heterozygous organism only one allele expresses itself
(c) Pleiotropy(iii) In a heterozygous organism both alleles express themselves fully
(d) Polygenic inheritance(iv) A single gene influences many characters

Code:
(a) (b) (c) (d)

Answer

A typical fat molecule is made up of:

Answer

Proximal end of the filament of stamens attached to the:

Answer

Which one of the following statements is wrong?

Answer

Water vapour comes out from the plant leaf through the stomatal opening. Through the same stomatal opening carbon dioxide diffuses into the plant during photosynthesis. Reason out the above statements using one of following options:

Answer

A complex of ribosomes attached to a single strand of RNA is known as:

Answer

Which one of the following is a characteristic feature of cropland ecosystem?

Answer

Which of the following is the most important cause of animals and plants being driven to extinction?

Answer

In a chloroplast the highest number of protons is found in:

Answer
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