Question 21 of 90
Plant Kingdom
Sphenopsida class belongs to _______.
Sphenopsida (horsetails such as Equisetum) belongs to the pteridophytes.
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RE-NEET 2026 Biology PYQs
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90 questions in this collection ยท Page 3 of 9
Question 22 of 90
Photosynthesis In Higher Plants
Which of the following statements regarding photorespiration are correct?
(a) Do not occur in C3 plants
(b) CO2 is consumed and O2 is generated
(c) Phosphoglycolate is formed
(d) No synthesis of ATP and NADPH
Choose the correct answer from the options given below:
(a) Do not occur in C3 plants
(b) CO2 is consumed and O2 is generated
(c) Phosphoglycolate is formed
(d) No synthesis of ATP and NADPH
Choose the correct answer from the options given below:
Photorespiration occurs in C3 plants, forms phosphoglycolate and does not produce ATP or NADPH.
Question 23 of 90
Cell The Unit Of Life
Smooth endoplasmic reticulum _______.
Smooth endoplasmic reticulum lacks ribosomes and is primarily responsible for lipid synthesis and detoxification.
Question 24 of 90
Chemical Coordination And Integration
Which one of the following statements is incorrect?
Alpha cells secrete glucagon, whereas beta cells secrete insulin.
Question 25 of 90
The Living World
Genus represents _______.
A genus consists of one or more closely related species sharing common characteristics.
Question 26 of 90
Biological Classification
Which of the following is not a prokaryote?
Fungi are eukaryotic organisms, whereas bacteria, cyanobacteria (blue green algae) and Mycoplasma are prokaryotes.
Question 27 of 90
Plant Growth And Development
Which of the following plant growth regulators promotes internode elongation prior to flowering in cabbage?
Gibberellins promote stem and internode elongation and induce bolting in rosette plants such as cabbage.
Question 28 of 90
Cell Cycle And Cell Division
The correct sequence of adult cell cycle phases is _______.
The cell cycle proceeds through G1, S, G2 and M phases in that order.
Question 29 of 90
Biological Classification
Match List-I with List-II.
| List-I | List-II |
|---|---|
| A. Fusion of protoplasms between gametes | I. Meiosis |
| B. Fusion of two nuclei | II. Plasmogamy |
| C. Generation of haploid spores | III. Karyogamy |
Choose the correct answer from the options given below:
Plasmogamy is fusion of cytoplasm, karyogamy is fusion of nuclei and meiosis produces haploid spores.
Question 30 of 90
Animal Kingdom
Given below are two statements:
Statement I: The class name Reptilia refers to creeping or crawling mode of locomotion.
Statement II: All organisms belonging to Reptilia have three chambered heart.
In the light of the above statements, choose the most appropriate answer from the options given below.
Statement I: The class name Reptilia refers to creeping or crawling mode of locomotion.
Statement II: All organisms belonging to Reptilia have three chambered heart.
In the light of the above statements, choose the most appropriate answer from the options given below.
Reptilia means creeping or crawling animals, but crocodilians possess a four-chambered heart, making Statement II incorrect.
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