Biology Test 37...

Match the following:

Which one of the following is showing the correct sequential order of vertebrae in the vertebral column of human beings?

Floridean starch is the stored food in

a. Fucus

b. Volvox

c. Chara

d. Polysiphonia

Which of the following is/are correct for Protista?

1. This group includes many kinds of unicellular prokaryotic organisms.

2. Their mode of nutrition can be autotrophic or heterotrophic.

3. Examples are unicellular algae, diatoms and protozoans.

Assertion (A): In epigynous flowers, the ovary is superior.

Reason (R): The margin of the thalamus grows upward and encloses the ovary completely in epigynous flowers.

In the light of above statement, choose the correct option:

In the light of the above statements, choose the correct answer from the options given below :

Select the correct sentence(s).

a. The release of energy in the aerobic process is a lot greater than in the anaerobic process.

b. ATP is broken down giving rise to a fixed amount of energy which can drive the endothermic reactions taking place in the cell.

c. The pyruvate is converted into lactic acid which is also a three-carbon molecule.

Oxygen released during photosynthesis comes from which among the following?

Assertion (A): Oxygen gets bound to haemoglobin of blood present in capillaries around alveoli and gets dissociated at the tissues.  

Reason (R): Factors favourable for formation of oxyhaemoglobin are high pO_2, low pCO₂, lesser H⁺ concentration and lower temperature whereas in the tissues low pO₂, high pCO₂, high H⁺ concentration and higher temperature are favourable for dissociation of oxygen from oxyhaemoglobin. 

In the context of above statements, select the correct one:

Flow of electron through photosynthetic ETC is