List of top Botany Questions asked in TS EAMCET

Choose the incorrect pair.

\[ \begin{array}{|c|l|l|} \hline \text{Element} & & \text{Role} \\ \hline \text{A} & \text{Zinc} & \text{Auxin synthesis} \\ \hline \text{B} & \text{Nickel} & \text{Activator of urease} \\ \hline \text{C} & \text{Molybdenum} & \text{Component of nitrogenase} \\ \hline \text{D} & \text{Manganese} & \text{Activator of catalase} \\ \hline \end{array} \]

Identify the correct statements related to the class Phaeophyceae. \[ \begin{aligned} A. &\text{Asexual reproduction occurs usually by biflagellate zoospores}\\ B. &\text{Sexual reproduction is by oogamous method only}\\ C. &\text{Food is stored as simple carbohydrates in the form of mannitol or laminarin}\\ D. &\text{Major pigments are chlorophyll }a,c,\text{ xanthophylls and carotenoids}\\ E. &\text{Cellulose cell wall has outer gelatinous coating of algin} \end{aligned} \] The correct answer is (any three)

Zygote is diploid in which life cycle? \[ \begin{aligned} I. &\text{Haplontic}\\ II. &\text{Diplontic}\\ III. &\text{Haplodiplontic}\\ IV. &\text{Diplohaplontic} \end{aligned} \] The correct answer is (and = all, only = only)

From the following lists, choose the correct combinations.

\[ \begin{array}{|c|l|l|l|} \hline & \text{List-I (Substrate)} & \text{List-II (Enzyme)} & \text{List-III (Product)} \\ \hline \text{I} & \text{PGA + ATP} & \text{Phosphoglycerokinase} & \text{Bis PGA} \\ \hline \text{II} & \text{Bis PGA + NADPH} & \text{G-3-P dehydrogenase} & \text{G-3-P} \\ \hline \text{III} & \text{Xylulose} & \text{Epimerase} & \text{Ribulose} \\ \hline \text{IV} & \text{Fructose + G-3-P} & \text{Transketolase} & \text{Xylulose} \\ \hline \end{array} \]
The correct answer is (and = all, only = only)

Choose the incorrect pair (and = all, only = only).

\[ \begin{array}{|c|l|l|} \hline & \text{List-I} & \text{List-II} \\ \hline \text{A} & \text{Frankel Conrat} & \text{Genetic nature of DNA} \\ \hline \text{B} & \text{Bessey} & \text{Phylogenic classification} \\ \hline \text{C} & \text{Buchner} & \text{Zymase} \\ \hline \text{D} & \text{Sumner} & \text{Catalase} \\ \hline \end{array} \]

Choose the incorrect pair (and = all, only = only).

\[ \begin{array}{|c|l|l|l|} \hline & \text{Type of fruit} & \text{Example} & \text{Character} \\ \hline \text{A} & \text{Pepo} & \text{Cucumber} & \text{Develops from inferior ovary} \\ \hline \text{B} & \text{Legume} & \textit{Pisum} & \text{Dehisce ventrally} \\ \hline \text{C} & \text{Caryopsis} & \textit{Oryza} & \text{Pericarp and seed coat are unfused} \\ \hline \text{D} & \text{Sorosis} & \text{Pineapple} & \text{Inflorescence develops into fruit} \\ \hline \end{array} \]

In which parts of the plants of Dioscorea and Agave, the food material is stored?

\[ \begin{array}{|c|l|l|} \hline & \textit{Dioscorea} & \textit{Agave} \\ \hline \text{I} & \text{Floral buds} & \text{Tap root} \\ \hline \text{II} & \text{Subaerial stem} & \text{Floral buds} \\ \hline \text{III} & \text{Underground stem} & \text{Vegetative buds} \\ \hline \text{IV} & \text{Vegetative buds} & \text{Floral buds} \\ \hline \end{array} \]

Which of the following statements are correct? \[ \begin{aligned} I. &\text{Inflorescence in Carrot is Umbel}\\ II. &\text{Male flowers of Ficus have three stamens}\\ III. &\text{Pneumatophores of Rhizophora are positively geotropic}\\ IV. &\text{Axillary bud develops into tendril in Grapevine} \end{aligned} \] The correct answer is (and = all, only = only)

Match the following.

\[ \begin{array}{|c|l|c|l|} \hline \text{List-I} & & \text{List-II} & \\ \hline A & \text{Dehydrogenases} & \text{I} & \text{Elimination of groups to form a double bond} \\ \hline B & \text{Transferases} & \text{II} & \mathrm{CO_2 + H_2O \rightarrow H_2CO_3} \\ \hline C & \text{Lyases} & \text{III} & \mathrm{S\text{-}G + S' \rightarrow S + S'\text{-}G} \\ \hline D & \text{Carbonic anhydrase} & \text{IV} & \text{Oxidation--reduction reaction} \\ \hline \end{array} \]

Which of the following restriction sites are present in amp\(^{R}\) gene of plasmid pBR322? (and = all, only = only)

\[ \begin{aligned} \text{A.} \;& \text{Pvu I} \\ \text{B.} \;& \text{Pst I} \\ \text{C.} \;& \text{BamH I} \\ \text{D.} \;& \text{Sal I} \end{aligned} \]

Match the following.

\[ \begin{array}{|c|l|c|l|c|l|} \hline \text{List-I} & & \text{List-II} & & \text{List-III} & \\ \hline \text{I} & \text{Manganese} & \text{A} & \text{Helps in anion-cation balance} & \text{P} & \text{Brown spots with chlorotic veins} \\ \hline \text{II} & \text{Zinc} & \text{B} & \text{Uptake and } Ca^{++}\text{ utilization} & \text{Q} & \text{Mottled leaf disease} \\ \hline \text{III} & \text{Boron} & \text{C} & \text{Needed for auxin synthesis} & \text{R} & \text{Heart-rot in beets} \\ \hline \text{IV} & \text{Chlorine} & \text{D} & \text{Activation of IAA oxidase} & \text{S} & \text{Bronzing in legumes} \\ \hline \end{array} \]

Function of plasma membrane extensions (mesosome) of prokaryotic cell is

\[ \begin{aligned} \text{I.} \;& \text{Helps in cell wall formation} \\ \text{II.} \;& \text{DNA replication} \\ \text{III.} \;& \text{Secretion process} \\ \text{IV.} \;& \text{Helps in respiration} \end{aligned} \]
(and = all, only = only)

Which of the following is the correct answer regarding the structure of a section of cilia/flagella?

\[ \begin{array}{|c|c|c|c|c|} \hline & \begin{array}{c} \text{Peripheral microtubules} \\ \text{(doublets)} \end{array} & \begin{array}{c} \text{Central microtubules} \\ \text{(singlets)} \end{array} & \text{Radial spokes} & \text{Central sheath} \\ \hline A & 9+0 & 2 & 8 & 1 \\ \hline B & 9+2 & 9+0 & 9 & 2 \\ \hline C & 9 & 2 & 9 & 1 \\ \hline D & 3 & 6 & 9 & 1 \\ \hline \end{array} \]

Choose the incorrect match in relation to the substance and their function.

Choose the incorrect pair.

BOD of waste water is estimated by measuring the amount of

Consider the following statements. Assertion (A): E. coli having pBR322 with DNA insert at BamHI site cannot grow in medium containing tetracycline. Reason (R): Recognition site for BamHI is present in the \(\mathrm{tet}^R\) region of pBR322.

Arrange the correct order of chemical composition of living tissues/cells in terms of percentage of the total cellular mass in descending order.

Which of the following genes were introduced into cotton to protect it from cotton bollworms? (and = all, only = only)

Inulin is a polymer of

Hydrophytes completely submerged in water and not rooted in the mud are

Family Fabaceae differs from Solanaceae and Liliaceae in relation to stamens. Identify the characteristics specific to family Fabaceae.

The sequence of nucleotides of mRNA and the sequence of respective amino acids in the polypeptide chain is given below. \[ \begin{aligned} \text{mRNA: }&\text{AUG UUU AUG CCU GUU UAA} \text{Polypeptide: }&\text{Met \quad Phe \quad Met \quad Pro \quad Val} \end{aligned} \] The nucleotide sequence of DNA template strand from which this mRNA was transcribed is

Identify the mismatched pair with regard to transcription in eukaryotic cells.

Foliar stipules and modified terminal tendrilar leaflets are found in