Which part of the flower develops into fruit? MCQ with Answer and Explanation

Which part of the flower develops into fruit?
A. Anther
B. Petal
C. Ovary
D. Ovule
Answer: Option C
Solution (By JKSSB Mock Tests)
After fertilization, the ovary of the flower develops into fruit, while the ovule develops into seed. The ovary wall becomes the pericarp (fruit wall). Petals, sepals, and stamens usually wither. Some fruits are parthenocarpic (without fertilization, e.g., banana). The fruit protects seeds and aids in dispersal. Anther produces pollen grains. Thus, fruit is a mature ovary.

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Practice More Biology Questions

Question #1
Assertion (A): Saliva contains the enzyme amylase.
Reason (R): Amylase begins the digestion of starch in the mouth.
A. Both A and R are true, and R is the correct explanation.
B. Both A and R are true, but R is not the correct explanation.
C. A false, R true.
D. A true, R false.

Correct Answer: Option A


Explanation:
Salivary amylase (ptyalin) hydrolyzes starch into maltose and dextrins, initiating carbohydrate digestion. The reason explains the presence of amylase in saliva.

This question belongs to: Science Biology
Question #2
The genetic code is said to be 'degenerate' because:
A. More than one codon can code for the same amino acid
B. The code is not universal
C. One amino acid is coded by only one codon
D. Some codons code for more than one amino acid

Correct Answer: Option A


Explanation:
The degeneracy of the genetic code refers to the fact that most amino acids are specified by more than one codon. For example, leucine is coded by six different codons (UUA, UUG, CUU, CUC, CUA, CUG). This redundancy is primarily due to the 'wobble' hypothesis, where the third base of the codon can have non-standard base pairing with the first base of the anticodon, allowing a single tRNA to recognize multiple codons.

This question belongs to: Science Biology
Question #3
Which of the following is a correct statement about the human skeleton?
A. The femur is the smallest bone in the body.
B. The vertebral column is composed of 33 bones in adults.
C. The rib cage has 10 pairs of ribs.
D. The skull consists of 22 bones, all fused into a single unit.

Correct Answer: Option B


Explanation:
The adult vertebral column consists of 33 vertebrae (though some are fused: 5 sacral and 4 coccygeal). The femur (thigh bone) is the longest and strongest bone. The skull is composed of 22 bones (cranium and facial bones), some fused but the mandible is movable. The rib cage has 12 pairs of ribs. The stapes in the ear is the smallest bone.

This question belongs to: Science Biology