NEET Biology: Structural Organisation in Animals and Plants Practice Questions
12 free multiple-choice questions on Structural Organisation in Animals and Plants for NEET Biology, each with the correct answer and a step-by-step explanation. Attempt a question, then reveal the solution to check your reasoning.
Practice thousands more Structural Organisation in Animals and Plants questions in the app →Q1. Which of the following types of animal tissue is primarily responsible for forming the body wall and providing structural support?
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Correct answer: B — Connective tissue
Connective tissue is the most diverse tissue type in animals, providing structural framework, support, and binding to other tissues, making it crucial for body structure.
Q2. Which plant tissue provides mechanical strength and rigidity to the plant parts, especially in mature tissues?
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Correct answer: B — Sclerenchyma
Sclerenchyma tissues, characterized by thick lignified walls, provide maximum mechanical strength.
Q3. Which structure is responsible for osmoregulation in insects, maintaining internal water balance?
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Correct answer: D — Malpighian bodies
In insects, the Malpighian bodies are the primary excretory organs responsible for osmoregulation and excretion.
Q4. The arrangement of leaves on a stem is called phyllotaxy. What is the arrangement found in a rosette pattern?
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Correct answer: B — Whorled
The whorled arrangement is characterized by leaves being arranged in circles or whorls around the stem.
Q5. Beans and peas belong to which major family among the groups listed?
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Correct answer: C — Leguminoceae
The Leguminoceae family includes various pulse crops like beans, peas, and lentils, which are important food sources.
Q6. The Graminae subfamily primarily includes plants characterized by which type of leaf arrangement?
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Correct answer: D — Opposite leaves
Graminae generally includes plants exhibiting opposite leaf arrangement, a common trait in many legumes.
Q7. In flowering plants, the modification of a stem into a storage organ for food is an example of which type of morphological change?
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Correct answer: B — Vegetative modification
The modification of a stem into a structure for storage (like a tuber or rhizome) falls under vegetative modification, where the stem tissue is modified for a new function.
Q8. The family Leguminoceae (Fabaceae) is primarily characterized by which feature in terms of flower structure?
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Correct answer: C — Papilionaceous corolla
Leguminoceae (Fabaceae) is characterized by a distinctive papilionaceous corolla, which is a defining feature of the family.
Q9. The family Fabaceae is a key component of which larger taxonomic group in plant classification?
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Correct answer: C — Leguminoceae
Fabaceae (Leguminosae) is a major family within the larger group of Leguminoceae, highlighting their shared lineage.
Q10. The Graminae subfamily, which includes grasses, typically exhibits which type of stem structure?
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Correct answer: D — Herbaceous stems
Grasses (Graminae) are characterized by having thin, non-woody, and generally herbaceous stems.
Q11. Frog skin is characteristically moist and permeable. This is primarily due to the presence of:
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Correct answer: D — Mucous glands
The moist, permeable skin of frogs is due to the presence of numerous mucous glands that secrete mucus, which facilitates respiration and excretion.
Q12. The circulatory system in insects is classified as:
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Correct answer: C — Open system
In insects, the blood flows into open sinuses (hemocoel) and bathes the internal organs directly, making it an open circulatory system.
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