A Scientist Peeps into a Mosquito’s Stomach
1. What did the scientist observe inside the mosquito’s stomach?
a) Water droplets
b) Blood of the person it bit
c) Tiny insects
d) Plant juice
2. How do mosquitoes spread diseases?
a) By drinking dirty water
b) By biting an infected person and then biting a healthy person
c) By eating leftover food
d) By flying around people
3. Which disease is commonly spread by mosquitoes?
a) Malaria
b) Tuberculosis
c) Typhoid
d) Cholera
4. What carries the malaria parasite inside the mosquito?
a) Virus
b) Bacteria
c) Parasite
d) Fungi
5. Why do female mosquitoes suck blood?
a) To survive
b) To help them lay eggs
c) To gain energy for flying
d) To store it for future use
Up You Go!
6. What was the main activity in the mountaineering camp?
a) Learning cooking skills
b) Climbing mountains and survival training
c) Practicing swimming techniques
d) Playing indoor games
7. Why is physical fitness important for mountaineering?
a) It helps in climbing steep slopes
b) It makes people run faster
c) It helps in carrying heavy bags
d) It prevents sweating
8. What equipment is essential for mountaineering?
a) Books and pens
b) Climbing ropes, harnesses, and helmets
c) Bicycles and roller skates
d) Fishing nets and boats
9. What challenge do mountaineers face at high altitudes?
a) Too much oxygen in the air
b) Difficulty in breathing due to less oxygen
c) Too much heat
d) Stronger gravity
10. Why do mountaineers carry oxygen masks?
a) To look professional
b) To breathe easily in places with less oxygen
c) To prevent dust from entering their lungs
d) To make climbing faster
Find Out and Write
11. What should we do if a tap is leaking?
a) Ignore it
b) Inform an adult or fix it if possible
c) Keep the tap running for fun
d) Use the leaking water to play
12. What is a simple way to save electricity?
a) Keeping lights on all the time
b) Using natural light during the day
c) Running multiple appliances at once
d) Using extra bulbs for decoration
13. How can we reduce food wastage?
a) Cooking extra food every day
b) Taking only as much food as needed
c) Throwing away leftovers quickly
d) Buying more food than necessary
14. What is an important step to keep our surroundings clean?
a) Throwing waste on the roads
b) Using dustbins for waste disposal
c) Burning plastic waste
d) Spreading garbage in different places
15. How can water be saved while bathing?
a) Keeping the tap running all the time
b) Using a bucket instead of a shower
c) Wasting extra water after bathing
d) Filling the bathtub with excess water
Answers & Explanation
A Scientist Peeps into a Mosquito’s Stomach
1. b) The scientist observed blood inside the mosquito’s stomach.
2. b) Mosquitoes transfer germs by biting infected persons and then biting healthy persons.
3. a) Malaria is commonly spread by mosquitoes.
4. c) Parasites inside mosquitoes cause malaria.
5. b) Female mosquitoes suck blood to help them lay eggs.
Up You Go!
6. b) The mountaineering camp focused on climbing and survival training.
7. a) Physical fitness is important for climbing steep slopes.
8. b) Climbing ropes, harnesses, and helmets are essential for mountaineering.
9. b) Less oxygen at high altitudes makes breathing difficult.
10. b) Oxygen masks help climbers breathe in low-oxygen areas.
Find Out and Write
11. b) A leaking tap should be fixed or reported.
12. b) Using natural light during the day saves electricity.
13. b) Taking only the needed amount of food reduces wastage.
14. b) Using dustbins helps keep surroundings clean.
15. b) Using a bucket instead of a shower saves water.
