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

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.

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

Closing of eyelids if a strong beam of light is flashed across.

Given below is a set of four terms. Choose the odd one and write the category of the remaining terms:

Name the following:

Two types of reflexes.

Deafness is causal due to the rupturing of the Pinna.

Eye : Optic nerve : : Ear : ___________

Given below is a representation of a kind of pollution. Study the same and answer the questions that follow

(i) Name the kind of pollution.
(ii) List any three common sources of this pollution.
(iii) Mention three harmful effects of this pollution on human health.
(iv) Explain the term ‘Pollutant’.
(v) Name two soil pollutants