List of practice Questions

Which one of the following is NOT a plant vascular tissue?
A growing shoot of a germinating seedling encounters an underground obstacle. Which one of the following hormones elicits β€˜triple response’ to the underground obstacle?
Which one of the following pairs of antibodies contains β€˜J-chain’ in their multimeric form?
Restriction enzymes that recognize the same nucleotide sequence but cleave at different positions are called
Which one of the following does NOT belong to the freshwater ecosystem?
Which one of the following is transcribed by RNA polymerase III in eukaryotes?
Given the following sets:
𝐴 = {2, 4, 6, 8, 10, 12}
𝐡 = {8, 10, 12, 14, 16, 18}
𝐢 = {7, 8, 9, 10 11, 12, 13}
(𝐴 ∩ 𝐡) βˆͺ (𝐡 ∩ 𝐢) is
Rain is falling vertically with a speed of 40 $m s^{-1}$. Wind starts blowing with a speed of 16 $m s^{-1}$ in the west to east direction. How should a person, who is standing, hold his umbrella to avoid getting wet?
Which one of the following statements about the G1 checkpoint of eukaryotic cell division cycle is INCORRECT?
Determine the correctness or otherwise of the following Assertion [a] and the Reason [r].
Assertion [a]: Nitric oxide is involved in transient paracrine and autocrine signaling.
Reason [r]: Nitric oxide is highly reactive, with a lifetime of few seconds, yet can diffuse freely across membranes
Match the molecules in Group I with the type of bonds present in them, in Group II
Group I Group II
P) NaCl 1) Coordination bond
Q) $H_2$2) Polar covalent bond
R) $Pd-P$ bond in $Pd(PPh_3)_4 3) Covalent bond
S) $C-Cl$ bond in $CH_3Cl $ 4) Ionic bond
Match the type of DNA repair mechanism in Group I with the enzyme(s) involved in Group II
Group I Group II
P) Mismatch repair1) DNA glycosylase
Q) Base excision repair2) UvrA, UvrB, UvrC and UvrD
R) Nucleotide excision repair3) RecA
S) Double strand break repair4) MutL, MutS and MutH
Tetracycline binds to the
In the β€˜Southern blot’ technique, which of the following reagents is used to detect the presence of a desired DNA fragment?
The pedigree given below shows individuals affected (shaded circles/rectangles) by chronic hypertension. Assuming 100% penetrance, the inheritance of this trait is
The pedigree given below shows individuals affected (shaded circles/rectangles) by chronic hypertension. Assuming 100% penetrance, the inheritance of this trait is
Which one of the following statements about photoproteins in plants is INCORRECT?
Match the microorganisms in Group I with the human disease in Group II

Group I Group II
P) Treponema pallidum 1) Sleeping sickness
Q) Trypanosoma cruzi 2) Whooping cough
R) Trypanosoma gambiense3) Chagas disease
S) Bordetella pertussis 4) Syphilis
Which one of the following is correct in the case of conjugation of a high frequency recombination (Hfr) strain with F- strain of E. coli?
Determine the correctness or otherwise of the following Assertion [a] and the Reason [r].
Assertion [a]: The cardiovascular organization called double circulation provides vigorous flow of blood to the brain, muscles, and other organs.
Reason [r]: The blood is pumped a second time after it loses pressure in the capillary beds of the lungs or skin.
A genetic linkage map represents the
Class II MHC molecules are NOT expressed by
Which one of the following enzymes is required to ensure the replication of a negative-sense or negative-strand RNA virus?
The relationship between birth weight and degree of survival $ (log \frac{ π‘ π‘’π‘Ÿπ‘£π‘–π‘£π‘œπ‘Ÿπ‘  }{ π‘›π‘œπ‘›βˆ’π‘ π‘’π‘Ÿπ‘£π‘–π‘£π‘œπ‘Ÿπ‘ })$ in 6908 human births in an obstetric hospital is shown in the figure below. The mode of selection for birth weight is
The relationship between birth weight and degree of survival $ (log \frac{ π‘ π‘’π‘Ÿπ‘£π‘–π‘£π‘œπ‘Ÿπ‘  }{ π‘›π‘œπ‘›βˆ’π‘ π‘’π‘Ÿπ‘£π‘–π‘£π‘œπ‘Ÿπ‘ })$ in 6908 human births in an obstetric hospital is shown in the figure below. The mode of selection for birth weight is
Match the recombinant DNA products in Group I with its application in Group II
Group I Group II
P) Tissue plasminogen activator1) Emergency treatment of heart attack
Q) Erythropoietin 2) Treatment of anemia
R) Superoxide dismutase 3) Prevents tissue damage
S) Interferon4) Stimulates cells to inhibit viral replication
Which of the following statement(s) is/are correct about telophase?