Class 11 Biology Model Paper 1 MCQs Test

Identify heteropolysaccharides from the following:

Photorespiration is a problem for plant growth because it:

Wood consists mainly of:

In the following branched metabolic pathway, a dotted line with a minus sign symbolizes inhibition of a metabolic step by an end product. Which reaction would prevail if both Q and S are present in the cell in high
concentration?

Glycolysis is a process that:

What does the P wave represent in an ECG?

A microbiologist found that some bacteria infected by bacteriophages had developed the ability to make a particular amino acid that they couldn’t make before. This new ability was probably a result of:

In contrast to kingdom Animalia and Plantae, the organisms of kingdom Fungi have:

Which of the following is not common to all divisions of vascular plants?

A certain poison disrupts the cytoskeleton of cell. Which of the following functions would be affected most probably by the poison?

Only an animal species with diaphragm can be expected to have:

Aslam wants to study the detailed function of glyoxysomes as cell organelles. Which of the following materials will be more suitable for his research?

Carnivorous adaptations of plants mainly compensate for soil that has relatively low content of:

Which of the following subdivisions of the animal kingdom encompasses all the others in the list?

If a long day plant has a critical night length of 9 hours. Which of the following 24 hours cycles will prevent flowering?

After surgical removal of an infected gall bladder, a person must be especially careful to restrict his/her intake of:

The given diagram illustrates three adjacent cells with different water potentials. The direction of movement of water molecules across the given cells would be: