Genes for maternal inheritance are located in

• Golgi bodies

• mitochondria

• lysosome

• nucleolus

Match the following column I with column II

• A- 3; B- 4; C- 2; D- 1

• A- 3; B- 4; C- 1; D- 2

• A- 4; B- 3; C- 1; D- 2

• A- 4; B- 2; C- 1; D- 3

53.

Each 100 mL of human arterial blood carries 'P' mL of O₂ and 'Q' mL of CO₂, whereas each 100 mL of venous blood carries 'R' mL of O₂ and 'S' mL of CO₂. Choose the correct values of P, Q, R and S.

• P =48 mL; Q=19 - 20 mL; R=52 mL; S = 14 - 15 ml

• P= 19 - 20mL; Q= 48 mL; R= 14 - 15mL; S =52 mL

• P = 14 - 15mL; Q = 52mL; R = 19 - 20 mL; S = 48mL

• P = 52 mL; Q =14 - 15mL; R = 48 mL; S = 19 - 20 mL

The usual cause (s) of peptic ulceration is/are

• lower rate of secretion of gastric juice

• higher rate of secretion of gastric and duodenal juices

• improper neutralisation of gastric juice by duodenal juices

• imbalance between the rate of secretion of gastric juice and the degree of protection offered by gastro-duodenal mucosa

Which of the following statements is/are correct regarding the effects of pH on enzyme catalysed reactions?

• Direction of the reaction is influenced by [H⁺]

• Ionisation state of dissociating groups on the enzyme is modified

• Ionisation state of the substrate is modified.

• Protein is not denatured with the change in pH

Which of the following statements is/are correct for transduction?

• It is observed in Gram positive and Gram negative bacteria.

• Bacteria should be in state of competence

• Transfer of DNA by a bacteriophage takes place.

• Packaging of both host and phage DNA takes place

Select the correct combination (s) from the following

• Gir - Asiatic Lion

• Sunderbans - Rhinoceros

• Periyar - Indian Elephant

• Corbet National Park - Red Panda

Intrinsic and extrinsic pathways of blood clotting are interlinked at the activation steps of which of the following factors?

• Factor IX

• Factor IV

• Factor X

• Factor XIIIa

Which of the following pairs of cranial nerves is/are of mixed category?

• Glossopharyngeal and hypogrossal

• Trigeminal and abducens

• Trigeminal and facial

• Glossopharyngeal and vagus

Opening and closing of stomata is controlled by

• abscisic acid

• CO₂ concentration

• O₂ concentration

• light intensity