IGCSE Biology Paper-3: Specimen Questions with Answers 67 - 70 of 230

Question number: 67

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A solution that has a higher concentration of solute than another solution A and a solution that has a lower concentration of solute than another solution is called B. Write the name of A and B.

Explanation

A is Hypertonic solution

B is Hypotonic solution

Passage

Above picture shows different leaf arrangements on petiole

Above Picture Shows Different Leaf Arrangements on Petiole

In given figure find out the name of different leaf arrangements labeled as A, B, C and D

Question number: 68 (1 of 2 Based on Passage) Show Passage

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Give the two examples of Type B and Type C leaf arrangement.

Explanation

B-pinnately compound leaves: leaflets in pairs and attached along a central rachis; examples include ash, walnut, pecan, and rose.

C-palmately compound-leaflets attached at the same point at the end of the petiole; examples of plants with this leaf type include buckeye, horse chestnut, hemp or marijuana, and shamrock.

First image shows a example of pinnately compound leaf

First Image Shows a Example of Pinnately Compound Leaf

Given picture indicates pinnatery compound leaf (ash) and palmately compound leaf (horse chestnut)

image showsw an example of palmately compound leaf

Image Showsw an Example of Palmately Compound Leaf

Given picture indicates pinnatery compound leaf (ash) and palmately compound leaf (horse chestnut)

Question number: 69 (2 of 2 Based on Passage) Show Passage

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Figure shows Leafs arrangement on Petiole in different pattern. Find out the name s of such different patterns.

Explanation

A-Simple

B-pinnately compound

C-palmately compound

D-Doubly compound

Question number: 70

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Read the following statements and write the correct parts from the codes given below-

I- Abnormal growth in plants is occur due to gibberellins

II- Gibberellins are found in greater concentration in tall varieties than in dwarf

III- Gibberellins have the ability to induce flowering

IV- IAA generally inhibits flowering

Explanation

Statement III and IV are correct.