Arihant Expert Team Solutions for Exercise 1: CHAPTER EXERCISE
Arihant Expert Team Science & Pedagogy Solutions for Exercise - Arihant Expert Team Solutions for Exercise 1: CHAPTER EXERCISE
Attempt the free practice questions from Exercise 1: CHAPTER EXERCISE with hints and solutions to strengthen your understanding. Science and Pedagogy CTET and TETs solutions are prepared by Experienced Embibe Experts.
Questions from Arihant Expert Team Solutions for Exercise 1: CHAPTER EXERCISE with Hints & Solutions
Match the following items in Column I with Column II.
Column I | Column II | ||
---|---|---|---|
A | RBC | 1 | Dissolved substances like digested food |
B | WBC | 2 | Oxygen transport |
C | Platelets | 3 | Clotting |
D | Plasma | 4 | Defence against invading pathogens |
Codes:
A, B, C, D

Menstrual flow occurs due to lack of _____.

Identify the incorrect statements about reproduction in organisms.
1. Sexual reproduction involves the fusion of two male gametes.
2. Asexual reproduction neither requires two parents nor a fusion of gametes.
3. Humans and animals are sexually reproducing animals.
4. During fertilization, the nuclei of the sperm and egg fuse to form a diploid nucleus called the zygote.
Select the correct answer from the given code.

External fertilization occurs outside the female body.
Given below are the names of some animals. Select those in which fertilization is external.
1. Fishes
2. Ostrich
3. Frogs
4. Platypus
5. Humans
The options are:

Which of the following is not a female hormone?

The system which coordinates the movements occurring in the body is _____.

The joint between shoulder and arm is _____.

Match the following columns.
Column I | Column II | ||
---|---|---|---|
A | Ball and socket joint | 1 | Between the carpals |
B | Hinge joint | 2 | Knee joint |
C | Pivot joint | 3 | Shoulder joint |
D | Gliding joint | 4 | Atlas and axis |
Codes:
A B C D
