Q121. Which National Park of Rajasthan is also a 'Ramsar site' and an 'UNESCO world heritage site'?
A Ranthambore National Park
B Keoladeo National Park
C Mukundra Hills National Park
D Desert National Park
E Question not attempted
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Correct answer: Keoladeo National Park
Q122. Which of the following feature is NOT required to facilitate cloning into a vector?
A Presence of origin of replication (ori)
B Presence of a selectable marker
C Presence of multiple recognition sites for a single restriction enzyme
D Small size
E Question not attempted
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Correct answer: Presence of multiple recognition sites for a single restriction enzyme
Q123. The mass of living material (biomass) at a particular time in a trophic level is called as:
A Standing crop
B Abundance
C Net primary productivity
D Gross primary productivity
E Question not attempted
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Correct answer: Standing crop
Q124. Choose incorrect statement for Mycoplasma:
A They have very thin primitive cell wall.
B Some of them are pathogenic in animals.
C Some of them are pathogenic in plants.
D They can survive without oxygen.
E Question not attempted
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Correct answer: They have very thin primitive cell wall.
Q125. Lenticels are found in:
A Epidermis
B Cortex
C Periderm
D Cuticle
E Question not attempted
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Correct answer: Periderm
Q126. Select the incorrect statement:
A PCR requires two types of primers to amplify the target DNA sequence.
B PCR uses thermostable DNA polymerase such as Taq polymerase.
C PCR consists of denaturation, annealing and extension steps.
D DNA polymerase I is required for nick translation during PCR.
E Question not attempted
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Correct answer: DNA polymerase I is required for nick translation during PCR.
Q127. The direction of movement of protons (H⁺) through ATP synthase during photophosphorylation in the chloroplast is:
A Thylakoid lumen → Stroma
B Stroma → Thylakoid lumen
C Inner chloroplast membrane → Stroma
D Stroma → Inner chloroplast membrane
E Question not attempted
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Correct answer: Thylakoid lumen → Stroma
Q128. Statement-I: The protein portion of the enzymes is called co-enzyme.
Statement-II: Prosthetic group are organic compounds that are tightly bound to apoenzyme.
A Both statements are correct.
B Statement-I is correct and II is incorrect.
C Statement-I is incorrect and II is correct.
D Both statements are incorrect.
E Question not attempted
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Correct answer: Statement-I is incorrect and II is correct.
Q129. Formation of inter-fascicular cambium and cork cambium from parenchyma cells is an example of:
A Dedifferentiation
B Redifferentiation
C Differentiation
D Maturation
E Question not attempted
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Correct answer: Dedifferentiation
Q130. A potometer is used to measure the rate of:
A Plant growth
B Respiration
C Light intensity
D Transpiration
E Question not attempted
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Correct answer: Transpiration
Q131. Read the statements related to gametogenesis in humans and choose the correct option:
Statement A: In males, spermatogenesis starts at puberty.
Statement B: In females, all primary oocytes are formed before birth in the foetal ovaries.
Options:
A Statement A is correct, but Statement B is incorrect.
B Statement A is incorrect, but Statement B is correct.
C Both Statements A and B are correct.
D Both Statements A and B are incorrect.
E Question not attempted
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Correct answer: Both Statements A and B are correct.
Q132. Match List-I with List-II and select the correct option:
List-I (Plant Hormones): A. Auxin, B. Gibberellin, C. Cytokinin, D. Abscisic Acid
List-II (Functions): i. Promotes cell division, ii. Promotes stem elongation, iii. Apical dominance and cell elongation, iv. Growth inhibition and leaf fall
Options (A, B, C, D):
A iii, ii, i, iv
B i, iii, ii, iv
C ii, i, iii, iv
D iv, ii, i, iii
E Question not attempted
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Correct answer: iii, ii, i, iv
Q133. Which Australian marsupial mammal is equivalent to the lemur in terms of convergent evolution?
A Spotted cuscus
B Marsupial mole
C Flying phalanger
D Numbat
E Question not attempted
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Correct answer: Spotted cuscus
Q134. Read the following statements and choose the correct option:
Statement A: Blood pressure is greater in arteries than in veins.
Statement B: The pressure of blood inside the artery during ventricular systole (contraction) is called systolic pressure, and pressure in the artery during ventricular diastole (relaxation) is called diastolic pressure.
A Statement A is false, while Statement B is true.
B Statement A is true, while Statement B is false.
C Statements A and B both are true.
D Statements A and B both are false.
E Question not attempted
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Correct answer: Statements A and B both are true.
Q135. Read the given statements and select the correct option:
A: Archenteron is lined by vegetal cells.
B: Involution occurs as embolic morphogenetic movements in birds.
Options:
A Both Statements A and B are correct.
B Both Statements A and B are incorrect.
C Statement A is correct, but Statement B is incorrect.
D Statement A is incorrect, but Statement B is correct.
E Question not attempted
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Correct answer: Statement A is correct, but Statement B is incorrect.
Q136. Streptococcus pneumoniae causing pneumonia, infects which part of the lungs in humans?
A Trachea
B Bronchi
C Bronchioles
D Alveoli
E Question not attempted
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Correct answer: Alveoli
Q137. As per Ayurveda, which of the following taste (Rasa) increases Kapha and Pitta but decreases Vata?
A Sweet (Madhura)
B Bitter (Tikta)
C Sour (Amla)
D Pungent (Katu)
E Question not attempted
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Correct answer: Sour (Amla)
Q138. The total number of orbitals possible in M-shell is/are:
A 1
B 3
C 9
D 16
E Question not attempted
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Correct answer: 9
Q139. Read the following statements and choose the correct option:
Statement A: Pneumotaxic centre is present in the pons region of brain.
Statement B: Neural signals from this centre can reduce the duration of inhalation and thereby alter the respiratory rate.
A Both Statements are correct.
B Statement A is correct and Statement B is incorrect.
C Statement A is incorrect and Statement B is correct.
D Both Statements are incorrect.
E Question not attempted
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Correct answer: Both Statements are correct.
Q140. The empirical formula and molecular mass of a compound are CH₂Cl and 98.96 respectively. The molecular formula of the compound will be:
A CH₂Cl
B C₂H₄Cl₂
C C₃H₆Cl₃
D C₄H₈Cl₄
E Question not attempted
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Correct answer: C₂H₄Cl₂