Birds

Q.

What is the theme of the story of “His first flight”?

Q. Birds and animals that lay eggs for giving birth to young one are known as

1. Viviparous
2. Oviparous
3. Ovoviviparous
4. None of the above

Q.

Describe the adaptive features in aerial animals?

Q.

Question 18

How is the skeleton of a bird well-suited for flying?

Q.

Question 4

Underwater divers wear fin-like flippers on their feet to
(a) swim easily in water.
(b) look like a fish.
(c) walk on water surface.
(d) walk over the bottom of the sea (sea bed).

Q. The bones of the birds are ___________.

1. heavy and solid
2. hollow and weak
3. heavy and hollow
4. hollow and light

Q.

Which of the following is a flightless bird?

1. Penguin

2. Ostrich

3. Kiwi

4. All of these

Q. How do breast bone help the birds during flight?

Q.

Why in birds, bones are light and hollow, filled with air cavities?

Q. Which among the following are the reasons for bird migration?

1. Avoid harsh climatic conditions
2. Food
3. Breeding
4. Nesting

Q.

Name the body part and the mode of movement shown by the animal:

Snake

Q. Birds and animals that lay eggs for giving birth to young one are known as

1. Viviparous
2. Oviparous
3. Ovoviviparous
4. None of the above

Q.

Why do fishes have a streamlined body?

Q.

Write the adaptation in birds which help them in flight.

Q. Describe any two adaptations seen in desert plants.​

Q. Which of the following statements is/are correct?

Statement 1: The leaves in a cactus are modified into spines.

Statement 2: Thick waxy stem and spines reduces water loss through transpiration in a cactus.

1. ​​​​​​
   Statement 1: False;
   Statement 2: True
2. 
   Statement 1: True;
   Statement 2: True
3. 
   Statement 1: True;
   Statement 2: False
4. 
   Statement 1: False;
   Statement 2: False

Q.

Name A Bird That Can Swim In Water.

Q. Which of the following statements is correct?

1. All birds can fly.
2. The hindlimbs of birds are modified to wings.
3. Birds have hollow bones.
4. The forelimbs of birds are for walking and perching.

Q.

The bones in birds are___.

1. Hollow
2. Light
3. Heavy
4. Narrow

Q. Which part of the bird is used for walking? (1Mark)

Q. _______ are unique bone structures that help the birds during flight.

1. Fins
2. Hollow bones
3. Ribs
4. Feathers

Q.

Birds have ___ which helps them to change the direction during flight.

1. Tailbone

2. Hollow Bones

3. Streamlined Body

4. Tailfin

Q. Identify the merit of the streamlined body of a fish.

1. Increases oxygen availability
2. Increases water resistance to swim
3. Reduces speed of swimming
4. Decreases water resistance to swim

Q. Are split hooves present in snow leopards?

Q.

Which of the following statement is correct?

1. The upper lips of the guinea pig have a cleft called vibrissae.

2. The cleft is in the middle through which the upper incisors are seen.

1. Both the statements are true

2. Both the statements are false

3. Statement 1 is false and statement 2 is true

4. Statement 1 is true and statement 2 is false

Q. Hollow bones are characteristic features of

1. Fish
2. Earthworm
3. Cockroach
4. Birds

Q.

How is the skeleton of a bird well-suited for flying?

Q. What is the following shape called and which organism among the following has it?

1. Cylindrical, Birds
2. Cylindrical, Fish
3. Streamlined, Fishes
4. Cone, birds

Q.

Name the adaptations found in birds.

Q. How is the skeleton of a bird well-suited for flying? [2 marks]