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All MCQs
Browse exam-wise, subject-wise, and country-wise MCQs with explanations.
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A.
broad legs with pollen baskets
B.
needle-like legs for blood feeding
C.
leaf-like legs used as gills
D.
long, slender legs support rapid running
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Correct Answer: D. long, slender legs support rapid running
Explanation:
Cursorial legs are adapted for fast running. Their length and shape help insects move quickly across surfaces, useful in predators and escape-oriented species.
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A.
wings become endocrine glands
B.
hind legs flatten for swimming
C.
modified forelegs grasp prey
D.
antennae become chewing jaws
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Correct Answer: C. modified forelegs grasp prey
Explanation:
Raptorial forelegs are adapted for catching and holding prey. The praying mantis is a classic example of this predatory modification.
Choose an option to check your answer.
A.
antennae become chewing jaws
B.
hind legs flatten for swimming
C.
wings become endocrine glands
D.
modified forelegs grasp prey
Show Answer
Correct Answer: D. modified forelegs grasp prey
Explanation:
Raptorial forelegs are adapted for catching and holding prey. The praying mantis is a classic example of this predatory modification.
Choose an option to check your answer.
A.
modified forelegs grasp prey
B.
antennae become chewing jaws
C.
hind legs flatten for swimming
D.
wings become endocrine glands
Show Answer
Correct Answer: A. modified forelegs grasp prey
Explanation:
Raptorial forelegs are adapted for catching and holding prey. The praying mantis is a classic example of this predatory modification.
Choose an option to check your answer.
A.
antennae become chewing jaws
B.
wings become endocrine glands
C.
hind legs flatten for swimming
D.
modified forelegs grasp prey
Show Answer
Correct Answer: D. modified forelegs grasp prey
Explanation:
Raptorial forelegs are adapted for catching and holding prey. The praying mantis is a classic example of this predatory modification.
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A.
enlarged hind femora store power for jumping
B.
short antennae push hemolymph
C.
flattened forelegs filter plankton
D.
abdominal spiracles form wings
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Correct Answer: A. enlarged hind femora store power for jumping
Explanation:
Jumping insects such as grasshoppers have enlarged hind femora with strong muscles. These legs store and release force for sudden jumps.
Choose an option to check your answer.
A.
enlarged hind femora store power for jumping
B.
abdominal spiracles form wings
C.
short antennae push hemolymph
D.
flattened forelegs filter plankton
Show Answer
Correct Answer: A. enlarged hind femora store power for jumping
Explanation:
Jumping insects such as grasshoppers have enlarged hind femora with strong muscles. These legs store and release force for sudden jumps.
Choose an option to check your answer.
A.
short antennae push hemolymph
B.
flattened forelegs filter plankton
C.
enlarged hind femora store power for jumping
D.
abdominal spiracles form wings
Show Answer
Correct Answer: C. enlarged hind femora store power for jumping
Explanation:
Jumping insects such as grasshoppers have enlarged hind femora with strong muscles. These legs store and release force for sudden jumps.
Choose an option to check your answer.
A.
enlarged hind femora store power for jumping
B.
flattened forelegs filter plankton
C.
abdominal spiracles form wings
D.
short antennae push hemolymph
Show Answer
Correct Answer: A. enlarged hind femora store power for jumping
Explanation:
Jumping insects such as grasshoppers have enlarged hind femora with strong muscles. These legs store and release force for sudden jumps.
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A.
head with mandible, maxilla, labium, and labrum
B.
gut with crop, gizzard, and rectum only
C.
cuticle with wax, chitin, and epidermis
D.
legs with coxa, trochanter, femur, tibia, and tarsus
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Correct Answer: D. legs with coxa, trochanter, femur, tibia, and tarsus
Explanation:
Typical insect legs are jointed and include coxa, trochanter, femur, tibia, and tarsus. These segments allow flexible movement and adaptation for walking, jumping, digging, swimming, or grasping.
Choose an option to check your answer.
A.
legs with coxa, trochanter, femur, tibia, and tarsus
B.
cuticle with wax, chitin, and epidermis
C.
head with mandible, maxilla, labium, and labrum
D.
gut with crop, gizzard, and rectum only
Show Answer
Correct Answer: A. legs with coxa, trochanter, femur, tibia, and tarsus
Explanation:
Typical insect legs are jointed and include coxa, trochanter, femur, tibia, and tarsus. These segments allow flexible movement and adaptation for walking, jumping, digging, swimming, or grasping.
Choose an option to check your answer.
A.
cuticle with wax, chitin, and epidermis
B.
gut with crop, gizzard, and rectum only
C.
head with mandible, maxilla, labium, and labrum
D.
legs with coxa, trochanter, femur, tibia, and tarsus
Show Answer
Correct Answer: D. legs with coxa, trochanter, femur, tibia, and tarsus
Explanation:
Typical insect legs are jointed and include coxa, trochanter, femur, tibia, and tarsus. These segments allow flexible movement and adaptation for walking, jumping, digging, swimming, or grasping.