Class 5 EVS Chapter 8 A Treat for Mosquitoes
Class 5 EVS Chapter 8 A Treat for Mosquitoes Fill in the blanks , MCQ , True false and Extra question answers.
Fill in the Blanks
1. Malaria spreads through ________ mosquitoes. (Answer: female)
2. The scientist who discovered how malaria spreads was named ________. (Answer: Ronald Ross)
3. Larvae are baby ________. (Answer: mosquitoes)
4. The normal range of haemoglobin is ______ to ______ gm/dl. (Answer: 12 to 16)
5. Ronald Ross won the ______ Prize for his discovery. (Answer: Nobel)
6. Mosquitoes lay their ______ in water. (Answer: eggs)
7. The word ‘malaria’ originally meant ______ _______. (Answer: bad air)
8. To prevent mosquito breeding, people should not let ______ collect around their house. (Answer: water)
9. ______ can help find out if someone has malaria. (Answer: Blood test)
10. Ronald Ross’s father was a ______ in the Indian Army. (Answer: general)
Multiple Choice Questions
1. What did Ronald Ross spend hours doing?
a) Writing poetry
b) Looking into a microscope
c) Chasing flies
d) Playing music
(Answer: b)
2. How did they make patients cooperate with their experiments?
a) By giving them free medicine
b) By paying them one anna
c) By threatening them
d) By forcing them
(Answer: b)
3. What did Ronald Ross discover in a mosquito’s stomach?
a) Food
b) Water
c) Tiny black germs
d) More mosquitoes
(Answer: c)
4. Which disease is spread by Anopheles mosquitoes?
a) Dengue
b) Malaria
c) Chikungunya
d) Stomach problems
(Answer: b)
5. What can help prevent mosquito breeding?
a) Keeping water pots clean
b) Leaving water everywhere
c) Ignoring stagnant water
d) Never cleaning tanks
(Answer: a)
6. What did people originally think caused malaria?
a) Mosquito bites
b) Poisonous gas
c) Bad food
d) Dirty water
(Answer: b)
7. What helps doctors find out if someone has malaria?
a) Listening to heartbeat
b) Looking at skin color
c) Blood test
d) Checking temperature
(Answer: c)
8. What did Ronald Ross like besides becoming a doctor?
a) Only studying medicine
b) Stories, poetry, music, and drama
c) Catching mosquitoes
d) Writing reports
(Answer: b)
9. Where did Ronald Ross do most of his research?
a) New York
b) London
c) Hospital in Secundrabad
d) Paris
(Answer: c)
10. What happens to mosquito larvae?
a) They live in dry places
b) They swim in water
c) They fly immediately
d) They disappear quickly
(Answer: b)
True or False:
1. All mosquitoes spread malaria. (False)
2. Ronald Ross won the Nobel Prize for medicine. (True)
3. Larvae look exactly like adult mosquitoes. (False)
4. Blood tests can help diagnose malaria. (True)
5. Mosquitoes lay their eggs in dry places. (False)
6. Ronald Ross was interested only in medicine. (False)
7. Haemoglobin helps keep our body healthy. (True)
8. Mosquitoes breed in clean, moving water. (False)
9. Ronald Ross spent hours looking through a microscope. (True)
10. ‘Malaria’ originally meant ‘good air’. (False)
Class 5 EVS Chapter 8 A Treat for Mosquitoes Questions and Answers
Q: What is malaria?
A: Malaria is a sickness spread by certain female mosquitoes that can make people very sick with fever.
Q: How can we stop mosquitoes from breeding?
A: We can stop mosquitoes by not letting water collect in pots, tanks, or old containers, and keeping areas clean and dry.
Q: Who discovered how malaria spreads?
A: A scientist named Ronald Ross discovered how mosquitoes spread malaria by carefully studying them under a microscope.
Q: What are mosquito larvae?
A: Larvae are baby mosquitoes that swim in water before they grow into flying mosquitoes.
Q: Why is a blood test important?
A: A blood test helps doctors find out if someone is sick with a disease like malaria by checking tiny things in the blood.
Q: What does haemoglobin do?
A: Haemoglobin is something in our blood that helps carry oxygen and keeps us healthy and strong.
Q: How can we protect ourselves from mosquitoes?
A: We can use mosquito nets, keep our surroundings clean, and avoid letting water collect where mosquitoes can lay eggs.
Q: What did people think caused malaria before Ronald Ross’s discovery?
A: People used to think bad air from dirty, swampy places caused malaria.
Q: How did Ronald Ross study mosquitoes?
A: He caught mosquitoes, put them in nets with sick patients, and looked at them carefully under a microscope.
Q: Why is it important to keep our surroundings clean?
A: Keeping our surroundings clean helps prevent mosquitoes from breeding and spreading diseases like malaria.
