ISC (Science) ISC Class 12 - CISCE Important Questions

Mention one significant difference between Parenchyma and Sclerenchyma.

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.

Describe the ultra-structure of a chloroplast.

What is single cell protein?

Give one significant contribution of the given scientists:

P. Maheshwari

Describe the tissue culture technique in plants.

What does PCR stand for? Describe the different steps of PCR

Give an account of the Blue-White Method of selection of recombinants.

What is a clone?

Choose the correct option of the following question:

The pressure of the cell contents on the cell wall is known as:

What is a single cell protein? How is it significant for human welfare?

Write a short note on Electrophoresis.

Expand the following abbreviation: BAC

Expand the following abbreviation: SSBP