Q. Assertion (A): Protoplasts are initially fragile and cannot undergo mitosis immediately after isolation. 

Reason (R): The enzymatic degradation of the cell wall during isolation removes the structural constraint required for organized cell division.

TLS Online TPP Program

#Question id: 39417

#Biochemistry

The major biochemical rationale for restricting phenylalanine in phenylketonuria (PKU) is:

TLS Online TPP Program

#Question id: 39418

#Biochemistry

Assertion (A): Low glycemic index diets reduce the risk of type 2 diabetes.
Reason (R): They minimize postprandial insulin demand and pancreatic β-cell stress.

TLS Online TPP Program

#Question id: 39419

#Biochemistry

Assertion (A): Vegetarians are more prone to vitamin B12 deficiency.
Reason (R): Vitamin B12 is synthesized exclusively by plants.

TLS Online TPP Program

#Question id: 39420

#Biochemistry

Assertion (A): Methane emitted by cattle has a higher global warming potential than carbon dioxide.
Reason (R): Methane absorbs infrared radiation more effectively than CO₂.

TLS Online TPP Program

#Question id: 39421

#Environmental Science

Q. Minamata disease is caused by:

TLS Online TPP Program

#Question id: 39422

#Biochemistry

Which of the following statements regarding junk food consumption are correct?

1. Leads to micronutrient dilution

2. Causes chronic low-grade inflammation

3. Improves gut microbiota diversity

4. Increases insulin resistance