NEET (UG) entrance exam Question Bank Solutions for Biology

The menstrual cycle is seen in ______

What is NOT true about the emasculation of a flower while performing an artificial cross?

Which of the character is not applicable to t-RNA?

Clear cut vegetative, reproductive and senescent phases cannot be observed in ______.

The clover-leaf model of tRNA depict its ______.

Presence of organic substances in the phloem can be demonstrated by means of ______.

Which of the following statement is FALSE?

Read the following statements carefully, regarding the anatomy of dorsiventral leaf.

1. Equal number of stomata are present on both the surfaces of the epidermis.
2. Some abaxial epidermal cells show presence of bulliform cells.
3. Vascular bundles are surrounded by a layer of bundle sheath cells.
4. Mesophyll is not differentiated into spongy and palisade cells.

Which of the above statement/s is/are correct?

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

In dorsiventral leaf palisade parenchyma is towards :

A change of single base pair in the gene for beta-globin chain (in human haemoglobin) results in the change of amino acid residue glutamic acid to valine which is due to ______

A strong mutagen is:

Mutations result in

Bony fishes belong to the class

Secondary growth usually does not occur in

Pre-fertilization events include the following?

1. Gametogenesis
2. Zygotic embryogenesis
3. Gamete transfer
4. Homogametic union
5. Heterogametic union

The correct combination is ______

The practice of analyzing inheritance patterns in human beings is called ______

Maximum number of chromosomes in gametes are presented in ______.

The technique exployed in human genetic counselling is:

Gamete transfer occurs through water in all of the following except: