ISC (Science) ISC Class 12 - CISCE Question Bank Solutions

Mention one significant difference between Symplastic movement and apoplastic movement

In the following questions/statements has four suggested answers. Rewrite the correct answer

Roots and shoots lengthen through the activity of:

(A) Apical meristem

(B) Vascular Cambium

(C) Lateral meristem

(D) Cork Cambium

In the following questions/statements has four suggested answers. Rewrite the correct answer

Opening and closing of stomata is due to:

(A) Ca²⁺

(B) Na⁺

(C) K⁺

(D) Cl–

Give three anatomical differences between a monocot root and a dicot root

Explain the transpiration pull theory for an ascent of sap

Why are xylem and phloem classified as complex tissues?

Describe the structure of phloem.

Give one significant contribution of the given scientists:

P. Maheshwari

Describe the tissue culture technique in plants.

What is a clone?

List any four applications of tissue culture.

Give one significant difference between :

ECG and EEG

What do you mean by Biochemical Oxygen Demand (BOD)?

Give a graphic representation of the Hatch Slack or C4 cycle.

Give a graphic representation of the phosphorus cycle in nature (ecosystem).

Give a graphic representation of the C₃ cycle.

Choose the correct options of the following question:

Study the given monohybrid cross:

A test cross for this Fj will be:

Define the Homologous chromosomes

Give an account of artificial chromosomes in the transfer of genetic material.

A haemophilic man marries a carrier woman and they have a daughter. What is the probability of their daughter being haemophilic?