1. Cats can see in complete darkness.
2. Doves nurse their young on milk.
3. The dragonfly is one of the fastest
flying insects.
4. A turtle can crawl out of its shell.
5. All spiders spin webs.
6. All snakes live on land.
7. No bird can fly backwards.
8. Only female mosquitoes bite.
B Which of the
A. Tick ( the true statements and cross (*) the false ones,
Answers
The true statements are ticked and false ones are crossed as follows:
1. Cats can see in complete darkness. ×
Cats can see objects in low lights, however, they cannot see in complete darkness. As cats have more number of rods in their retina, they are adapted to dim light vision.
2. Doves nurse their young on milk. √
Dove is a mammal and it nurses its young on milk.
3. The dragonfly is one of the fastest flying insects. √
Dragonfly has the fastest flying speed of 35 miles per hour.
4. A turtle can crawl out of its shell. ×
No, a turtle cannot crawl out of its shell as the shell of the turtle is a part of its exoskeleton.
5. All spiders spin webs. ×
It is not necessary that all the spiders spin webs.
6. All snakes live on land. ×
Snakes can live in water too. The habitats can be freshwater or saltwater too. Hence, the given statement is not true.
7. No bird can fly backwards. ×
Hummingbirds can fly backwards and also sideways, and forward as well. Thus, the statement given is not true.
8. Mosquitoes female bite. √
It is true that female mosquitoes bite, and not male mosquitoes. Male mosquitoes obtain nutrition from plant juices like nectar.