Home
Class 10
BIOLOGY
Arun was playing in the garden. Suddenly...

Arun was playing in the garden. Suddenly he saw a dragon fly sitting on a plant. He observed the wings of it. He thought in looked similar to a wing of a crow. Is he correcct? Give reason for your answer.

Text Solution

Verified by Experts

(i)No,wings of a dragon fly are different from the wing of crow.In the case of a crow,wings represent modified forelimbs.
(ii)Wings of a dragon fly and have the same function.They serve to fly but their origin and developmental pattern arer different.
(iii)Such organs which look similar and perform similar function but have different origin and developmental pattern are called analogous organs.
Promotional Banner

Topper's Solved these Questions

  • ORIGIN AND EVOLUTION OF LIFE

    SURA PUBLICATION|Exercise ADDITIONAL QUESTIONS & ANSWER (CHOOSE THE CORRECT ANSWER)|17 Videos

  • ORIGIN AND EVOLUTION OF LIFE

    SURA PUBLICATION|Exercise ADDITIONAL QUESTIONS & ANSWER (FILL IN THE BLANKS)|68 Videos

  • ORIGIN AND EVOLUTION OF LIFE

    SURA PUBLICATION|Exercise TEXT EVALUATION (LONG ANSWER QUESTIONS)|2 Videos

  • MODEL QUESTION PAPER HIGHER LEVEL

    SURA PUBLICATION|Exercise Subjective Questions|78 Videos

  • PLANT AND ANIMAL HORMONES

    SURA PUBLICATION|Exercise ADDITIONAL QUESTIONS & ANSWERS (EXPAND THE FOLLOWING ABBREVIATION)|18 Videos

Similar Questions

Explore conceptually related problems

(i) Arun playing in the garden. Suddenly he saw a dragon fly sitting on a plant. He observed the wings of it. He though it looked similar to a wing of a crow. Is he correct? Give reason for your answer. (ii) A breeder wishes to incorporate disirable characters into the crop plants. prepare a list of characters he will incorporate.

Ramu cultivated pea plants as an inter crop in his paddy field. After harvesting, he allowed the roots of the pea plants remain in the soil for some period. a. Is the action of Ramu reasonable? b. Justify your answer.

Raman went to a garden. He saw that the stem of the Banyan tree becomes thicker every year whereas such a change is not seen in a coconut tree. Can you give a explanation for this.

Balu went to kuttraalam with his grandpa, when he saw the waterfalls falling down from the top of a mountain he could not believe his eyes. He loved admiring it. He adked grandpa how this is possible. Grandpa said even now the answer to this question from where the water is coming from the top of a mountain is a puzzle, but we got some scientific truths behind this flow. (ii) Give the formula for time of flight of the waterfall.