NEET Biology 2022 PYQs

Given below are two statements:
Statement I: The release of sperms into the seminiferous tubules is called spermiation. Statement II: Spermiogenesis is the process of formation of sperms from spermatogonia. In the light of the above statements, choose the most appropriate answer from the options given below:

Lippe's loop is a type of contraceptive used as:

In an E.coli strain i gene gets mutated and its product can not bind the inducer molecule. If growth medium is provided with lactose, what will be the outcome?

If the length of a DNA molecule is 1.1 metres, what will be the approximate number of base pairs?

Natural selection where more individuals acquire specific character value other than the mean character value, leads to:

Given below are two statements:
Statement I: Autoimmune disorder is a condition where body defense mechanism recognizes its own cells as foreign bodies.
Statement II: Rheumatoid arthritis is a condition where body does not attack self cells.
In the light of the above statements, choose the most appropriate answer from the options given below:

In gene therapy of Adenosine Deaminase (ADA) deficiency, the patient requires periodic infusion of genetically engineered lymphocytes because:

Breeding crops with higher levels of vitamins and minerals or higher proteins and healthier fats is called:

Which of the following statements with respect to Endoplasmic Reticulum is incorrect?

A dehydration reaction links two glucose molecules to produce maltose. If the formula for glucose is C6H12O6 then what is the formula for maltose ?