Class 11 Biology Model Paper 2 MCQs Test

CO₂ + 2H₂S → (CH₂O)n + H₂O + 2S
Indicate the type of bacteria in which the above reaction takes place?

Guess the technique used to separate the chloroplast and mitochondria:

Seed remain dormant in plants facing stress conditions due to the release of:

If hair protein is composed of 6 amino acids. Select the possible numbers of nucleotide in mRNA specific for this protein:

The figure shown is a section of plant roots invaded with Ectomycorrhizae. Choose the option showing the correct labeling:

What will happen when a child is vaccinated against tuberculosis?

The following reaction taking place in presence of enzyme X without utilizing the water, is of glycolysis. The group to which the enzyme X belongs is:

Identify the characters of birds:

Identify the actin protein on the basis of the following features:

Select the one which is NOT the function of the liver:

The diagram shows the leaves and flowers of different plants. Which are from monocotyledons?

Identify the tissue on the basis of the following characteristics:

The disease caused by viroid is:

The given figure represents the pair of chromosomes. Choose the structure responsible for giving rise to nucleoli during interphase:

In C4 pathway the first compound produced consisting of four carbons after fixation of carbon dioxide is:

Choose the incorrect pair:

The cardiac pacemaker in a patient fails to function properly. The doctor finds that an artificial pacemaker needs to be implanted in him. It is likely that electrodes of the pacemaker will be implanted at the site of: