NEET COMBINE TEST (17.01.2026)

Combined Test
Important Instruction

PHYSICS

1.

1) Zero
2) 0.244 Nm    
3) 24.4 Nm
4) 2.444 Nm

3. If the K.E. of a body is increased by 300%, its momentum will increase by

1) 100 %
2) 15 %
3) √300%
4) 17.5 %

19. In the connections shown in the adjoining figure, the equivalent capacity between A and B will be:

1) 10.8 μF
2) 69 μF
3) 15 μF
4) 10 μF

1) 4 Ω
2) 6Ω
3) 2Ω
4) 5Ω

1) 3.2× 10^-19 J     
2) 8.5×10^-19 J
3) 2.1×10^-19 J
4) 5.3×10^-19 J

23.

1) 2.4
2) 1.2
3) 4.8
4) 3.6

The compound Z is.

1) CH₃CHO
2) CH₃CH₂CH=CH₂
3) CH₃COCH₃
4) CH₃CH₂CHODeselect Answer

89. The IUPAC name of


1) 3, 4-dimethylpentanoyl chloride
2) 1-chloro-1-oxo-2, 3-dimethylpentane
3) 2-ethyl-3-methylbutanoyl chloride
4) 2, 3-dimethylpentanoyl chlorideDeselect Answer

90. Which product is not fromed in the following reaction?
 Deselect Answer

BOTANY

91. ATP synthase F₀ portion performs which function?

1) Synthesises ATP
2) Pumps protons into matrix
3) Forms proton channel
4) Oxidises NADH

92. Read following statement about effects of ethylene and choose the correct option.
(i) More female flowers in cucumber.
(ii) D-amylase production in seeds.
(iii) Acceleration of fruit ripening in tomatoes.
(iv) Delay sprouting in potato tube

1) (i) and (ii)
2) (i) and (iii)
3) (ii) and (iv)
4) (iii) and (iv)

93. Which of the following are the characters of dinoflagellates?
(i) These organisms are mostly marine and photosynthetic.
(ii) Cell wall has stiff cellulose plates.
(iii) They appear yellow, green, brown, blue and red in colour.
(iv) Most of them have two flagella.
(v) Their toxin can kill other organisms.

1) (ii), (iii) and (v)
2) (ii)
3) (i), (ii), (iii) and (v)
4) (ii) and (iv)

94. Match List-I with List-II


1) (a)-iv; (b)-ii; (c)-i; (d)-iii
2) (a)-iv; (b)-i; (c)-ii; (d)-iii
3) (a)-i; (b)-ii; (c)-iv; (d)-iii
4) (a)-iii; (b)-I; (c)-iv; (d)-ii

95. Match the following and choose the correct combination from the options given. Column I


1) A-(i), B-(ii), C-(iii), D-(iv)
2) A-(ii), B-(iii), C-(iv), D-(i)
3) A-(iv), B-(iii), C-(ii), D-(i)
4) A-(iii), B-(iv), C-(ii), D-(i)

96. Given below are two statements:
Statement-I: Mitochondria and chloroplasts both have double membrane bound organelles.
Statement – II: Inner membrane of mitochondria is relatively less permeable, as compared to chloroplast.

1) Both statement-I and Statement-II are correct
2) Both statement-I and Statement-II are incorrect
3) Statement-I is correct but Statement-II is incorrect.
4) Statement-I is incorrect but Statement-II is correct.

97. Which type of substance would face difficulty to pass through the cell membrane?

1) substance soluble in lipids
2) Substance with hydrophobic moiety
3) Substance with hydrophilic moiety
4) All substance irrespective of hydrophobic and hydrophilic moiety.

98. Which drug prevents spindle formation by inhibiting tubulin polymerisation?

1) Penicillin
2) Colchicine
3) Streptomycin
4) Cyanide

99. If RQ 0.7, the substrate is most likely—

1) Fat
2) Carbohydrate
3) Amino acid
4) Organic acid

100. Which step of glycolysis is the committed (rate limiting) step?

1) Hexokinase reaction
2) Phosphofructokinase reaction
3) Aldolase reaction
4) Enolase reaction

101. The first substrate-level phosphorylation in respiration occurs during—

1) Glycolysis (1,3-BPG → 3-PG)
2) Krebs cycle (Succinyl-CoA → Succinate)
3) ETS
4) Link reaction

102. The final electron acceptor in aerobic respiration is:

1) Cytochrome-c
2) NAD⁺
3) O₂
4) FAD

103. During which stages (or prophase I substages) of meiosis do you expect to find the bivalents and DNA replication respectively?

1) Pachytene and interphase (between two meiotic divisions)
2) Pachytene and interphase (just prior to prophase I)
3) Pachytene and S phase (of interphase just prior to prophase I)
4) Zygotene and S phase (of interphase prior to prophase I)

104. Statement I: The outer covering of endosperm separates the embryo by a lipid bi-layer called aleurone layer.
      Statement II: The plumule and radical are enclosed in sheaths which are called coleoptile and coleorhizae respectively.
In the light of the above statements, choose the correct answer from the options given below:

1) Both Statement I and Statement II are incorrect
2) Statement I is correct but Statement II is incorrect
3) Statement I is incorrect but Statement II is correct
4) Both Statement I and Statement II are correct

105. Which one of the following pairs, is not correctly matched?

1) Gibberellic acid – Leaf fall
2) Cytokinin – Cell wall elongation
3) IAA – Cell wall elongation
4) Abscissic acid – Stomatal closure.

106. Which of the following are protozoans?

1) diatoms, flagellates, amoebas, and ciliates
2) sporozoa, flagellates, amoebas, and ciliates
3) amoebas, actinomycetes, ciliates, and flagellates
4) flagellates, ciliates, cyanobacteria, and apicomplexans

107. Cell elongation in internodal regions of the green plants takes place due to

1) indole acetic acid
2) cytokinins
3) gibberellins
4) ethylene

108. Ubiquinone (Co) functions as a carrier of:

1) Electrons only
2) Protons only
3) Both electrons and protons
4) Neither electrons nor protons

109. The first CO₂ molecule of aerobic respiration is released during:

1) Glycolysis
2) Link reaction
3) ETS
4) Conversion of malate to OAA

110. Which structure in the chloroplast acts as the primary proton reservoir that drives photophosphorylation?

1) Thylakoid lumen
2) Stroma
3) Intermembrane space
4) Lamella

111. During non-cyclic photophosphorylation, the immediate source of electrons to replace those lost from PS I is —

1) PS II
2) Water
3) NADPH
4) Cytochrome b6-f

112. If light of only 680 nm is provided to a leaf, which event is most affected?

1) Photolysis
2) NADP⁺ reduction
3) ATP formation
4) RuBP regeneration

113. Which of the following does NOT release protons into the thylakoid lumen?

1) Splitting of water
2) PQ → Cyt b6-f transfer
3) Cyt b6-f → PC transfer
4) NADP⁺ reduction

114. Photorespiration decreases the synthesis of carbohydrates mainly because —

1) ATP and NADPH are consumed but CO₂ is not fixed
2) RuBP is not regenerated
3) Photolysis stops
4) NADPH production increases

115. In C₄ plants, CO₂ is first fixed in mesophyll cells to form oxaloacetate by PEPcase. Why does this not lead to photorespiration?

1) PEPcase has high affinity for CO₂ and is not inhibited by O₂
2) CO₂ is first fixed in bundle sheath cells
3) RuBisCO is absent in mesophyll cells
4) ATP is not consumed

116. In mitochondria, the proton gradient is mainly formed across:

1) Outer membrane
2) Inner membrane / intermembrane space
3) Matrix
4) Cristae lumen

117. Assertion: F.W. Went isolated auxin from the tips of coleoptiles of wheat seedlings.
       Reason: Ethylene promotes the senescence.

1) Both (A) and (R) are correct but (R) is not the correct explanation of (A)
2) (A) is correct but (R) is not correct
3) (A) is not correct but (R) is correct
4) Both (A) and (R) are correct and (R) is the correct explanation of (A)

118. Assertion(A): Archaebacteria can survive in extreme harsh habitats.
       Reason(R): Archaebacterial cell wall has peptidoglycan that helps them survive in harsh habitats.

1) Both (A) and (R) are True and (R) is the correct explanation of (A)
2) Both (A) and (R) are True but (R) is not the correct explanation of (A)
3) (A) is True but (R) is False
4) (A) is False but (R) is True

119. Match the following columns.



1) A-(ii), B-(iv), C-(iii), D-(i)
2) A-(iv), B-(iii), C-(i), D-(ii)
3) A-(i), B-(iv), C-(ii), D-(iii)
4) A-(iii), B-(ii), C-(iv), D-(i)

120. Consider the following statements regarding the major pigments and stored food in the different groups of
algae and choose the correct option.
i. In Chlorophyceae, the stored food material is starch and the major pigments are chlorophyll-a and d.
ii. In Phaeophyceae, laminarin is the stored food and major pigments are chlorophyll-a and b.
iii. In Rhodophyceae, floridean starch is the stored food and the major pigments are chlorophyll-a, d and
phycoerythrin.

1) (i) is correct, but (ii) and (iii) are wrong.
2) (i) and (ii) are correct, but (iii) is wrong.
3) (i) and (iii) are correct, but (ii) is wrong.
4) (iii) is correct, but (i) and (ii) are wrong. 

121. Which of the following is correct with reference to floral character of the family solanaceae?

1) Racemose, zygomorphic, unisexual, floral characters
2) Racemose, zygomorphic, bisexual, polypetalous
3) Axillary, bisexual, actinomorphic, epipetalous
4) Axillary, actinomorphic, bisexual, epipetalous

122. The figure below shows the structure of a mitochondrion with its four parts labelled (A), (B), (C) and (D).

Select the part correctly matched with its function.

1) Part (D): Outer membrane – gives rise to inner membrane by splitting
2) Part (B): Inner membrane – forms infoldings called cristae
3) Part (C): Cristae – possess single circular DNA molecule and ribosomes
4) Part (A): Matrix – major site for respiratory chain enzymes

123. Which of the following is not a polymer?

1) Starch
2) Glycogen
3) Sucrose
4) Cellulose

124. Which type of bond stabilizes the α helix in proteins?

1) Disulfide bond
2) Hydrogen bond
3) Peptide bond
4) Ionic bond

125. Which of the following is not true for nucleic acids?

1) DNA contains thymine
2) RNA contains uracil
3) DNA is double-stranded in all organisms
4) RNA is single-stranded

126. Which of the following sugars has an aldehyde group?

1) Glucose
2) Fructose
3) Sucrose
4) Lactose

127. Enzymes increase the rate of a reaction by:

1) Lowering activation energy
2) Making ΔG negative
3) Acting as a reactant
4) Altering equilibrium concentration

128. Energy pyramids are always upright because:

1) Biomass decreases at each level
2) Producers have maximum numbers
3) Consumers live longer
4) Energy is lost at each trophic level

129. In which organ is pith absent?

1) Dicot root
2) Monocot root
3) Dicot stem
4) Monocot stem

130. Casparian strips occur in:

1) Cortex
2) Endodermis
3) Pericycle
4) Epidermis

131. An open vascular bundle must contain:

1) Protoxylem and metaxylem
2) Sclerenchyma cap
3) Intrafascicular cambium
4) Phloem parenchyma

132. Which of the following algae contains mannitol as reserve food material?

1) Ulothrix
2) Ectocarpus
3) Gracilaria
4) Volvox

133. Identify the figures A, B and C given below.


1) A – Euglena, B – Paramecium, C – Agaricus
2) A – Euglena, B – Planaria, C – Agaricus
3) A – Planaria, B – Paramecium, C – Agaricus
4) A – Euglena, B – Paramecium, C – Aspergillus

134. Pyrenoids in green algal cells are related to

1) starch formation
2) protein storage
3) general metabolism
4) enzyme secretion

135. If 10 Drosophila in a laboratory population of 80 died during a week, the death rate in the population is ______ individuals per Drosophila per week.

1) 1.0
2) 2.0
3) 0.1
4) 0.13

ZOOLOGY

136. Identify the correct match:

1) Neanderthals → 100,000–40,000 years ago → Buried the dead
2) Homo habilis → 1.8 mya → Brain capacity ~900 cc
3) Homo erectus → 2 mya → Brain capacity ~650 cc
4) Ramapithecus → 500,000 years ago → Brain capacity 800 cc

137. Match the following


1) A-III, B-II, C-IV, D-I
2) A-II, B-III, C-I, D-IV
3) A-IV, B-II, C-I, D-III
4) A-III, B-IV, C-I, D-II

1) 23, 23   
2) 46, 23
3) 23, 46
4) 46, 46