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Given below are two statements: one is labelled as Assertion A and the other is labelled as Reason R.
Assertion A: In an experiment, Mendel observed that the F1 progeny plants are all tall and none are dwarf.
Reason R: Stem height is a contrasting trait, with tall being dominant and dwarf being recessive.
In the light of the above statements, choose the most appropriate answer from the options given below :

Adaptive radiation in placental mammals and Australian Marsupials leading to similarity between distant species is an example of

Given below are two statements: one is labelled as Assertion A and the other is labelled as Reason R.
Assertion A: In recombinant DNA technology, lysozyme is used for disrupting bacterial cells while cellulase is for plant cells.
Reason R: Isolation of genetic material needs disruption of cells.
In the light of the above statements, choose the most appropriate answer from the options given below:

Given below are two statements:
Statement I: When any plane passing through the central axis of the body divides the organism into two identical halves, it is called radial symmetry.
Statement II: In phylum Echinodermata, both adults and larvae are radially symmetrical.
In the light of the above statements, choose the most appropriate answer from the options given below:

Which of the following are characteristic features of Solanaceae family?
(a) Flowers are bisexual and actinomorphic
(b) Calyx have five sepals and are united
(c) Androecium have five stamens and are epipetalous
(d) Ovary is inferior
Choose the correct answer from the options given below:

Given below are two statements:
Statement I: Chromosomes are fully condensed at the end of prophase I.
Statement II: Meiosis I resembles mitosis.
In the light of the above statements, choose the most appropriate answer from the options given below:

Length of the stem at time 0 is 20 cm. The arithmetic growth rate is 30 cm per day. What is the length of the stem at the end of the $7^{th}$ day?

Match List-I with List-II.
List-I:
A. Starch
B. Antibody
C. Concanavalin A
D. Glut-4
List-II:
I. Fights infection
II. Energy storage
III. Glucose transport
IV. Lectin
Choose the correct answer from the options given below:

Select the correct sequence of experiments that led to a gradual understanding of photosynthesis in green plants.

Which of the following statements is incorrect?

Which of the following statements regarding photorespiration are correct? (a) Do not occur in $C_{3}$ plants (b) $CO_{2}$ is consumed and $O_{2}$ is generated (c) Phosphoglycolate is formed (d) No synthesis of ATP and NADPH. Choose the correct answer from the options given below:

Which of the following are characteristics of prokaryotic cells? (a) Ribosomes are made of 50S and 30S subunits (b) They can have plasmids (c) They contain mesosome (d) They have peroxisomes. Choose the correct answer from the options given below:

Smooth endoplasmic reticulum

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?

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 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: