Chylomicrons are: 
1. fat coated  protein globules 
2. micro-sized lipid molecules 
3. protein coated fat globules 
4. spherical aggregates of fatty acids 

Genetic Drift occurs due to : 
1. Natural selection 
2. Sudden population migration 
3. Continuous gene migration 
4. Mutation 

Bee-keeping helps to improve the yield of following crops except ____________. 
1. Jowar 
2. Sunflower 
3. Apple 
4. Mustard 

Normal sleep-wake cycle in a human body is maintained by the secretion of: 
1. Thyroid gland 
2. Thymus gland 
3. Pineal gland 
4. Pituitary gland 

An intestinal hormone that stimulates the pancreas to release a watery secretion that is rich in bicarbonate ions is: 
1. Cholecystokinin
2. Gastric Inhibitory Peptide 
3. Enterokinin 
4. Secretin

Which biological process leads to a decrease in the fish-eating bird population near a water body containing toxicants from industrial drainage? 
1. Algal bloom 
2. Biochemical oxygen demand 
3. Accelerated Eutrophication 
4. Biomagnification 

Terrestrial adaptations necessitated the production of : 

Given below are two statements: 

In the light of the above statements, choose the most appropriate answer from the options given below: 
1. Statement I is correct but Statement II is incorrect. 
2. Statement I is incorrect but Statement II is correct.
3. Both Statement I and Statement II are correct.
4. Both Statement I and Statement II are incorrect.

Identify the properties of a good vector used in rDNA technology:

Choose the most appropriate answer from the options given below:

Select the correct match regarding adaptive radiation of Australian marsupials corresponding to placental mammals