4th Class Science Plants and Animals Question Bank

done Plants Total Questions - 20

• question_answer1)
  _________ is an insectivorous plant.
  A)
                                 done clear
  B)
  done clear
  C)
         done clear
  D)
                                 done clear
  View Solution play_arrow

• question_answer2)
                          The structures X shown in the picture are found in plants growing in ___ areas and are a modification of ____.
  A)
   Marshy, Stem    done clear
  B)
   Desert, Root  done clear
  C)
                      Marshy, Root  done clear
  D)
          Desert, Stem done clear
  View Solution play_arrow

• question_answer3)
  The plant shown here is adapted to grow in deserts as it has_______.
  A)
   Breathing roots done clear
  B)
   Fleshy stem done clear
  C)
   Needle like roots done clear
  D)
   Both (b) and (c) done clear
  View Solution play_arrow

• question_answer4)
  The substance X releases _______,
  A)
   Oxygen at day time done clear
  B)
   Water vapour at day time done clear
  C)
   Carbon dioxide at night done clear
  D)
   All of these done clear
  View Solution play_arrow

• question_answer5)
  _______ is the flower that gets pollinated in the same way as the flower given in the picture.
  A)
   Hibiscus done clear
  B)
   Blackberry done clear
  C)
   Sunflower done clear
  D)
   All of these done clear
  View Solution play_arrow

• question_answer6)
  The food prepared by the _______ of plants is used for daily activities of plants. The extra food gets stored as _______.
  A)
   Roots, Starch                 done clear
  B)
   Stem, Protein done clear
  C)
                      Leaves, Starch     done clear
  D)
                 Fruits, Protein done clear
  View Solution play_arrow

• question_answer7)
  Select the odd one out.
  A)
   Pine                            done clear
  B)
   Fir done clear
  C)
   Deodar                done clear
  D)
                      Venus flytrap done clear
  View Solution play_arrow

• question_answer8)

  Tarun carried out an experiment to show that plants respond to light. The diagram on the right shows how the plant looked like after a week.

  Which one of the following set-ups did he use for his experiment?

     
  A)
                              done clear
  B)
  done clear
  C)
         done clear
  D)
  done clear
  View Solution play_arrow

• question_answer9)
                          The given graph shows different levels of oxygen in the air at different times in a park. Which point (W, X, Y or Z) on the graph, shows the level of oxygen in the air at night?
  A)
   W                                done clear
  B)
   X                     done clear
  C)
   Y                     done clear
  D)
          Z done clear
  View Solution play_arrow

• question_answer10)
  En which of these conditions, the potted plant would be able to carry out the process of making food?
  A)
                                       done clear
  B)
  done clear
  C)
                     done clear
  D)
                                 done clear
  View Solution play_arrow

• question_answer11)

  Manoj crossed out mushroom from the group given below because he felt that it did not belong there.

  Which of the following statements support Manoj's conclusion?

   

  a. Mushroom is a plant while the rest are not.

  b. Mushroom is a fungus while the rest are not.

  c. Mushroom feeds on decaying things while the rest do not.

  d. Mushroom cannot make its own food while the rest can.

   
  A)
  b and c only                  done clear
  B)
  a, b and d only  done clear
  C)
  a, c and d only     done clear
  D)
  b, c and d only done clear
  View Solution play_arrow

• question_answer12)
  Select the INCORRECT statement from the following.
  A)
   The body of Hydrilla is covered by mucilage and leaves have no stomata. done clear
  B)
   Lotus has plate like leaves with stomata on the upper surface. done clear
  C)
   Tape grass has narrow, thin, ribbon like leaves. done clear
  D)
   Water plants like tape grass, lotus, etc. are pollinated by water. done clear
  View Solution play_arrow

• question_answer13)
  The plants X and Y are similar to each other as they both ______.
  A)
   Grow in soil that lack both air and water done clear
  B)
   Have tentacles on leaves to trap insects done clear
  C)
   Cannot photosynthesize done clear
  D)
   Need to overcome deficiency of nitrogen done clear
  View Solution play_arrow

• question_answer14)
  Refer to the given picture. Select the option that gives correct matching of labelled part with its examples and uses.
  A)
   W-Radish as vegetable, X-Sweet potato as vegetable done clear
  B)
   Y-Cabbage as vegetable, Z-Cotton as fibre producer done clear
  C)
   Y-Clove as spice, W-Cinnamon as spice done clear
  D)
   Y-Fennel as spice, Y-Spinach as vegetable done clear
  View Solution play_arrow

• question_answer15)
  The given graph is plotted according to the recordings of an experiment to find out the effect of temperature on the rate of photosynthesis in an aquatic plant. Based on the given graph, select the correct option.
  A)
   Photosynthesis occurs best at 35°C. done clear
  B)
   No photosynthesis takes place at 5°C and 45°C. done clear
  C)
   The volume of oxygen collected keeps increasing with increasing temperature. done clear
  D)
   Volume of oxygen collected at 15°C is higher than that collected at 40°C temperature. done clear
  View Solution play_arrow

• question_answer16)
  The following table shows some information on four plants, (a), (b), (c) and (d). A tick () indicates that the plant shows that particular characteristic.

  	(a)	(b)	(c)	(d)
  Bears
  Grows in water

  Based on the information above, which letter, W, X, Y or Z, best represent plants (c) and (d)?
  A)

  Plant (c)	Plant (d)
  W	X

                  done clear
  B)

  Plant (c)	Plant (d)
  X	Y

                  done clear
  C)

  Plant (c)	Plant (d)
  Y	Z

                  done clear
  D)

  Plant (c)	Plant (d)
  Z	W

  done clear
  View Solution play_arrow

• question_answer17)
  Some children wanted to find out how overcrowding can affect plant growth. They took four pairs of plants, A, B, C and D, as shown here and kept them at the same location. Each pot is given the same amount of water each day. Which pair of plants will give the correct result of their experiment?
  A)
    done clear
  B)
  done clear
  C)
  done clear
  D)
  done clear
  View Solution play_arrow

• question_answer18)
  Advika took a Croton plant with shaded leaves and set up an experiment as shown here. She kept the plant first in darkness for a few hours and then placed it in sunlight. After 6 hours, she performed iodine test on plucked leaves P, Q and R. Which of the following is n the possible outcome? (Note: Shaded portion in the question figure indicates green colour and in the options, it indicates blue-black colour.)
  A)
                                done clear
  B)
  done clear
  C)
                             done clear
  D)
  done clear
  View Solution play_arrow

• question_answer19)
  Study the given flow chart showing three types of water plant. Some of their features are given below. Select the correct match of the water plants with their respective features.  

  Features:

  (i) They have narrow thin leaves with no stomata.

  (ii) Their bodies are like a sponge and have empty spaces filled with air.

  (iii) They have plate-like leaves which have stomata on the upper side.

   
  A)
  X - (i), Y - (iii) done clear
  B)
  Y - (ii), Z - (i) done clear
  C)
  X - (iii), Z - (ii) done clear
  D)
  X - (ii), Y - (iii), Z - (i) done clear
  View Solution play_arrow

• question_answer20)

  The diagram below shows how a green leaf would look under red light, blue light and green light.

  Select the correct inference drawn from this.

                
  A)
         

  Coloured light	Absorbed by the leaf	Reflected by the leaf	Used by the leaf for photosynthesis
  Red light

                  done clear
  B)

  Coloured light	Absorbed by the leaf	Reflected by the leaf	Used by the leaf for photosynthesis
  Blue light

                  done clear
  C)

  Coloured light	Absorbed by the leaf	Reflected by the leaf	Used by the leaf for photosynthesis
  Red and blue light

                  done clear
  D)

  Coloured light	Absorbed by the leaf	Reflected by the leaf	Used by the leaf for photosynthesis
  Green light

  done clear
  View Solution play_arrow