31.

Select the correct matching of a hormone its source and function.

• Hormone	Source	Function
  Vasopressin	Posterior Pituitary	Increases loss of water through urine

• Hormone	Source	Function
  Norepinephrine	Adrenal medulla	Increases heartbeat, rate of respiration and alertness

• Hormone	Source	Function
  Glucagon	Beta-cells of Islets of Langerhans	Stimulates glycogenolysis

• Hormone	Source	Function
  Glucagon	Beta-cells of Islets of Langerhans	Stimulates glycogenolysis

Fastest distribution of some injectible material /medicine and with no risk of any kind can be achieved by injecting it into the

• muscles

• arteries

• veins

• veins

Which one of the following statements about the particular entity is true?

• Centromere is found in animal cell which produces ester during cell divison

• the gene for producing insulin is present in every body cell

• Nucleosome is formed of nucleotides

• Nucleosome is formed of nucleotides

Which of the following is used in gene cloning?

• Nucleoids

• Lomasomes

• Mesosomes

• Mesosomes

Which domestic sewage mixes with river water

• small animals like rats will die after drinking river water

• the increased microbial activity releases micronutrients such as iron

• the increased microbial activity uses up dissolved oxygen

• the increased microbial activity uses up dissolved oxygen

Which of the following is used in gene cloning?

• Nucleoids

• Lomasomes

• Mesosomes

• Mesosomes

Given below are four statements (A-D) each with one or two blanks. Select the option which correctly fills up the blanks in two statements. 

A) Wings of butterfly and birds look alike and are the results of ...... (i) .... evolution.

B) Miller showed that CH₄, H₂, NH₃, and .....(i) ....., when exposed to electric discharge in a flask resulted in the information of ......(ii) .....

C) The vermiform appendix is a ..... (i) ..... organ and a ......(ii) ..... evidence of evolution.

D) according to Darwin evolution took place due to ....(i) ...... and .....(ii) .... of the fittest.

• (D)-(i) small variations, (ii) survival, (A)-(i) convergent

• (A)- (i) convergent, (B)-(i) oxygen,(ii) nucleosides

• (B)-(i) water vapour, (ii) amino acids (C)-(i) rudimentary, (ii) anatomical

• (B)-(i) water vapour, (ii) amino acids (C)-(i) rudimentary, (ii) anatomical

The most apparent change during the evolutionary history of Homo sapiens is traced in

• loss of body hair

• walking upright

• shortening of the jaws

• shortening of the jaws

Which one of the following is now being commercially produced by biotechnological procedures?

• Nicotine

• Morphine

• Quinine

• Quinine

Which one of the following is most appropriately defined?

• Host is an organism, which provides food to another organism

• Amensalism is a relationship in which one species is benefited whereas the other is unaffected

• Predator is an organism that catches and kills other organism for food

• Predator is an organism that catches and kills other organism for food