(English Medium) ICSE Class 10 - CISCE Question Bank Solutions

Define the following:
Chiasmata

Choose the correct answer:
Crossing over is a feature of _______________

Choose the correct answer:
DNA replication takes place in ______________

How prophase-I of meiosis differs from prophase of mitosis in an essential way? Describe how it affects the daughter cells?

What is the importance of chiasma formation?

Differentiate between
Chiasmata and crossing over.

Explain the Term Diplotene

Name the Following

The process is responsible for the variation.

Name the Following

Stage in which the crossing-over takes place.

Give Technical Terms

Crossing over occurs during the third substage of meiosis.

Multiple Choice Question:

The regions where crossing-over takes place are called

Write the functional activity of the following structure:

Chiasmata

The heart sound 'Dub' is produced when ______.

Arrange and rewrite the terms in group in correct order to be in a logical sequence, beginning with the term that is underlined:

Water vapour, Soil water, Leaves, Ascent of Sap.

What are the four main forces which contribute to the ascent of sap (upward movement of water and minerals) ? Name them and explain in short.

How is transpirational pull caused?

What is pulse?

Given below is a common reflex in humans. Classify it as a simple or conditioned reflex.

Knee-jerk

Given below is a common reflex in humans. Classify it as a simple or conditioned reflex.

Watering of mouth on seeing a favourite dish.

Given below is a common reflex in humans. Classify it as a simple or conditioned reflex.

Tying of shoe laces while talking.