Explore topic-wise MCQs in Science.

This section includes 6 Mcqs, each offering curated multiple-choice questions to sharpen your Science knowledge and support exam preparation. Choose a topic below to get started.

1.

DIRECTIONS: Read the passage (s) given below and answer the questions that follow. Passage - 3 To see the inner parts of the flower clearly, you have to cut it open, if its petals are joined, e.g.. In Datura and other bell shaped flowers, the petals have to be cut length wise so that inner parts can be seen clearly. You are given a bell shaped flower and you are asked to cut the flower in such a way that itsinner parts can be seen clearly. You will

A. cut the petals length wise
B. cut the petals length wise and spread out
C. Large intestine
D. All of the above
Answer» C. Large intestine
Discussion
2.

DIRECTIONS: Read the passage (s) given below and answer the questions that follow. Passage-1 If you look at a leaf carefully you can easily see some lines on the leaf. These lines are called veins. In some cases you can see a thick vein in the middle of the leaf. This vein is called midrib. The design made by veins is called the leaf venation. Veins of a leaf can be seen on

A. lamina of leaf
B.  petiole of leaf
C. Both [a] and [b]
D. All of the above are correct
Answer» B.  petiole of leaf
Discussion
3.

When the leaf is tested for starch, which colour confirms the test?

A. Blue   
B.  Black
C. Tapeworm  
D. Blue-black
Answer» E.
Discussion
4.

The plants having leaves with parallel venation have ____.

A. taproots
B. lateral roots
C. Dengue
D. None of these
Answer» D. None of these
Discussion
5.

The food produced in the leaves is in the form of

A. starch  
B. proteins
C. (A - IV), (B - III), (C - II), (D - I)
D. All of these
Answer» B. proteins
Discussion
6.

Water moves up in the stem and goes to which part of plant?

A. Stem
B. Leaves
C. Protozoa
D. Plant parts attached to stem
Answer» E.
Discussion