Evolution and Mutations

Q.

Write a note on human evolution.

Q.

Classify organisms on the basis of number of cells. Give any two examples of each category.

Q.
The above image shows the evolution of humans.

1. True
2. False

Q. Mutations are never advantageous for evolution.

1. True
2. False

Q.

The evolution of modern humans started around ___ years ago.

1. 1000

2. 200

3. 200, 000

4. 500

Q.

I live around the pond and have webbed feet. Who am I?

1. Eagle

2. Monkey

3. Duck

4. Bat

Q. Dinosaur's fossil confirms their existence.

1. True
2. False

Q. Which of the following animal is evolved from a mammal to climb the trees easily?

1. Dinosaur
2. Monkey
3. Rat
4. Dog

Q. Which of the following is found in mountain habitat?

1. Pine tree
2. Cactus
3. Yak
4. Camel

Q.

What are adaptation and habitat?

Q.

What are the different ages of cultural evolution in man?

Q.

Who made humans?

Q.

The change in inherited characteristics over a long period of time is known as______.

1. fossils

2. DNA

3. evolution

4. RNA

Q. Match the following animals with their adaptive features.

1. Sharp spines
2. Streamlined body
3. Strong muscular legs
4. Hollow bones

Q.

A ____ is a place where a group of organisms live and obtain food, air, water and shelter required for their survival.

1. habitat

2. forest

3. adaptation

4. desert

Q.

Can I find a dinosaur bone in my backyard?

Q. Human beings are animals.

1. False
2. True

Q. Bats remain active during the _______. (1 mark)
A. day
B. night
C. dusk
D. dawn

Q.

The origin of life on earth can be traced back to nearly ________ years ago.

1. 300 million

2. 6 million

3. 13.7 billion

4. 3.8 billion

Q. The development of an oppposing thumb made it difficult for the early primates to grab things.

1. False
2. True

Q.

approximately how many years ago was the earth formed?

Q.

The evidence of dinosaurs' existence comes from

1. Videos

2. Preserved footprints

3. fossils

4. stories

Q. Humans and other animals are not made up of the similar structural and functional units called cells.

1. False
2. True