Nutrition in plants Worksheet-2

Nutrition in plants Worksheet-2

 

Multiple-Choice Questions:

  1. The food synthesised by  plants is stored as:

(A) Glucose          (B) Starch            (C) Glycogen      (D) Fructose

 

  1. Which of the following is a parasitic plant?

(A) Bitter gourd                                (B) Bottle gourd

(C) Cuscuta                                       (D) Pumpkin

 

  1. Aryan wants to test the presence of starch in a leaf. Given below are the instructions to conduct the experiment. Which of the following step is NOT necessary?

(A) Boil the leaf first in water and then in alcohol

(B) Wash the bleached leaf

(C) Heat the leaf on a hot flame

(D) Add a few drops of iodine solution to the bleached leave

 

  1. Plants give out water through the pores present under their leaves. The plants in desert need to reduce the water loss as water is scarce in deserts. Which of the following is an adaptation developed by the desert plants to manage this situation?

(A) They have lots of branches and leaves

(B) They do not shed leaves in the summer

(C) They develop roots which come above the ground

(D) Their leaves are modified into spines

 

  1. Cuscuta lives as a parasite on:

(A) Mirabel          (B) Mulberry       (C) Mango           (D) Pipal

 

Study the following diagram carefully and answer the Q.16-Q.18

  1. After studying photosynthesis, Ankita drew the illustration of a plant as shown. Which of the following is the correct statement?

(A) Release of water and minerals by the plant into soil

(B) Release of carbon dioxide into the soil

(C) Absorption of water and minerals by the roots from the soil

(D) Release of oxygen into the atmosphere

 

  1. Absorption of carbon dioxide by the plant from the atmosphere is represented by the arrow:

(A) 1                     (B) 2                     (C) 3                     (D) none

 

  1. Release of _______ gas is represen­ted by arrow 

(A) Oxygen                                       (B) Carbon dioxide     

(C) Water                                         (D) Minerals

 

True/False Questions:

  1. The leaves changing colours in autumn show us that a tree is speeding up its food factory for the winter.
  2. Lichens perform photosynthesis in their leaves.
  3. Lichens are Symbionts.
  4. Rhizobium bacteria are present in root nodules of rose plants.
  5. Fungi are Saprotrophs.

 

Fill in the blanks:

  1. The pores on the leaves are surrounded by ______cells.
  2. Urea is used by farmers to provide _______to the plants.

 

Answer Key:

  1. (B)
  2. (C)
  3. (C)
  4. (D)
  5. (A)
  6. (C)
  7. (C)
  8. (A)

True/False Questions:

  1. False
  2. False
  3. True
  4. False
  5. True

Fill in the blanks:

  1. Guard
  2. Nitrogen