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Cell theory was formulated by

Mad cow disease is caused by

Phyllotaxy is the pattern of arrangement of

Mitochondrial inner membrane encloses

Match List-I with List-II.
List-I:
A. Fusion of protoplasms between gametes
B. Fusion of two nuclei
C. Generation of haploid spores
List-II:
I. Meiosis
II. Plasmogamy
III. Karyogamy
Choose the correct answer from the options given below:

How many molecules of pyruvic acid are produced at the end of glycolysis from 206 molecules of glucose?

Given below are two statements: Statement I: In gymnosperms, the male and female gametophytes remain within the sporangia. Statement II: In gymnosperms, seeds are not covered. In the light of the above statements, choose the most appropriate answer from the options given below:

Photorespiration reaction catalyzed by RuBisCo is shown below: RuBP + $O_{2}$ $\rightarrow$ 3-Phosphoglycerate + X. Identify "X" from the given options

How many turns of Calvin cycle are required for the formation of three molecules of glucose?

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:

For the following reaction sequence, choose the correct option.

Match the vitamins in List I with their sources in List II
List I:
A. vitamin A
B. vitamin $B_{12}$
C. vitamin E
D. vitamin K
List II:
I. meat
II. sunflower oil
III. green leafy vegetables
IV. carrots
Choose the correct answer from the options given below.

Match the species in List-I with their geometry in List-II.
List-I:
A. $PCl_{5}$
B. $BrF_{5}$
C. $BF_{4}^{-}$
D. $[Ni(CN)_{4}]^{2-}$
List-II:
I. Tetrahedral
II. Square Planar
III. Trigonal bipyramidal
IV. Square pyramidal
Choose the correct answer from the options given below:

The highest occupied molecular orbital for $Ne_{2}$ is

Consider the following reaction sequences and choose the correct option.

Given below are two statements: One is labelled as Assertion A and the other is labelled as Reason R. Assertion A: The first ionization enthalpy of O is lower than that of N and F. Reason R: The loss of an electron from O leads to stable half-filled p orbital. In light of the above statements, choose the most appropriate answer from the options given below:

Given below are two statements: One is labelled as Assertion A and the other is labelled as Reason R. Assertion A: Generally, 3d transition metals have high melting points. Reason R: Involvement of 3d-electrons in addition to 3s-electrons in the interatomic metallic bonding. In light of the above statements, choose the most appropriate answer from the options given below:

A protein undergoes reversible thermal denaturation from its initial state N to denatured state D according to $N \rightleftharpoons D$. At $60^{\circ}C$, the concentrations of both N and D are equal at equilibrium, and the standard enthalpy change of denaturation is $666~kJ~mol^{-1}$. The standard entropy change ($\Delta S^{\circ}$ in $kJ~K^{-1}~mol^{-1}$) of the protein upon denaturation at $60^{\circ}C$ is closest to

Among the species given below, the spin-only magnetic moment is highest for (Given: Atomic number of $Ti=22$, $Mn=25$, $Fe=26$ and $Co=27$)

Assertion A: For an ideal solution formed by mixing liquids P and Q, $\Delta_{mix}H=0$ and $\Delta_{mix}V=0$. Reason R: No interactions occur between P and Q. In the light of the above statements, choose the most appropriate answer from the options given below.