Plants(5th Grade > Science ) Questions and Answers

Question 1. Cactus is a succulent plant with a thick fleshy stem that stores ____.
  1.    water
  2.    mud
  3.    air
  4.    seeds
Explanation:-
Answer: Option A. -> water
:
A
Cactus is a desert plant that has spines (modified leaves) to help reduce water loss and a thick fleshy stem to store water. These modifications help them to withstand the extremely dry conditions in deserts.

Question 2. Based on the clues provided identify the habitat where the plant is likely to be found?
Clues:
1. It has no branches.
2. Leaves are reduced to spines.
  1.    Hilly areas
  2.    Marshy areas
  3.    Deserts
  4.    Plains
Explanation:-
Answer: Option C. -> Deserts
:
C
Plants, like cactus, that grow in deserts have modified leaves. Their leaves get modified to spines to reduce water loss. This helps the plant to conserve water and withstand very dry conditions.

Question 3. Which part of the seed stores all the nutrients required for the baby plant?
  1.    Roots
  2.    Embryo
  3.    Cotyledon
  4.    Seed
Explanation:-
Answer: Option C. -> Cotyledon
:
C
The outer covering of a seed is called seed coat. The seed coat protects the baby plant residing inside the seed. The swollen part of the seed called cotyledon stores food and all the other essential nutrients required for the baby plant.

Question 4. What are Rabi crops?
  1.    Winter crops
  2.    Summer crops
  3.    Monsoon crops
  4.    Cereal crops
Explanation:-
Answer: Option A. -> Winter crops
:
A
Crops sown in winters and harvested in spring are called Rabi crops. They are also known as winter crops. For example: wheat, beans, peas, etc.

Question 5. Which of the following is a modified root?
  1.    Carrot
  2.    Potato
  3.    Ginger
  4.    Banana
Explanation:-
Answer: Option A. -> Carrot
:
A
Carrot is a modified root. Plants store their food in these modified roots. Potato and ginger are modified stem. Banana is a fruit.
Which Of The Following Is A Modified Root?

Question 6. Which  part of the potato grows into a new plant?
  1.    Bud
  2.    Flower
  3.    Leaf
  4.    Root
Explanation:-
Answer: Option A. -> Bud
:
A
Potato is a special kind of stem, which grows underground. It has buds called ‛eye’ on its surface. Any part of the potato with an eye or bud can grow into a new plant.
Which  Part of The Potato Grows Into A New Plant?

Question 7. I am a plant with thick leaves that are green in colour. I also need moisture to grow and I can be found mostly in hilly areas. My leaves are used to make a beverage which most people drink daily. What am I?
  1.    Tea
  2.    Banana
  3.    Cactus
  4.    Rose
Explanation:-
Answer: Option A. -> Tea
:
A
The tea plant is an example of a plantation crop.It hasgreen and thick leaves. It is found in hilly areas and requires moisture to grow. It is of course used to produce tea, a very common beverage.

Question 8. Crops in India are divided into 2 types on the basis of seasons: ______ and ______ .
  1.    Rabi crops, Kharif crops
  2.    Food crops, Cash crops
  3.    Rabi crops, Summer crops
  4.    Kharif crops, Winter crops
Explanation:-
Answer: Option A. -> Rabi crops, Kharif crops
:
A
Based on climatic conditions, crops are divided into kharif and rabi crops.
Kharif crops: The kharif crops need hot weather and large amounts of rainfall to grow. These are sown with onset of monsoon in June and harvested around the month of October.
Examples of kharif crops include jowar, rice, soyabean, paddy, maize, cotton, etc.
Rabi crops: While some crops are sown in winter season from november to april. These are not affected by rainfall patterns. They require warm temperature to germinate and cold weather to grow.
Example of rabi crops include wheat, gram, peas, mustard, etc.

Question 9. Leaves of plants are green in colour due to the presence of:
  1.    chlorophyll
  2.    proteins
  3.    minerals
  4.    fats
Explanation:-
Answer: Option A. -> chlorophyll
:
A
Chlorophyll is a pigment that imparts green colour to the leaves. Plants require chlorophyll along with sunlight to prepare food.

Question 10. Pitcher plant has a pot like structure to trap insects.
  1.    True
  2.    False
  3.    Deserts
  4.    Plains
Explanation:-
Answer: Option A. -> True
:
A
The pitcher plant is carnivorous. Its leaves are modified into a pot like structure (pitcher) to trap insects.
Pitcher Plant Has A Pot Like Structure To Trap Insects.