Class 11 Biology Model Paper 1 MCQs Test

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:

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

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

Photorespiration is a problem for plant growth because it:

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

Wood consists mainly of:

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

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

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

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

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

Identify heteropolysaccharides from the following:

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

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

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?

What does the P wave represent in an ECG?

Glycolysis is a process that: