Practice Questions

TLS Online TPP Program

#Question id: 7291

Five different genes are known to specify floral organ identity in Arabidopsis: APETALA1 (AP1), APETALA2 (AP2), APETALA3 (AP3), PISTILLATA (PI), and AGAMOUS (AG).

Which one of the following statement is incorrect?

#Unit 5. Developmental Biology

plants with the ap2 mutation lack sepals and petals
Plants bearing ap3 or pi mutations produce sepals instead of petals, and carpels instead of stamens.
plants homozygous for the ag mutation lack both stamens and carpels.
Plants bearing ap3 or pi mutations produce petals instead of sepals, and stamens instead of carpels.

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TLS Online TPP Program

#Question id: 27956

#Unit 1. Molecules and their Interaction Relevant to Biology

Some of the enzyme differ in glycolysis and gluconeogenesis, Which of the following set of enzyme are different

TLS Online TPP Program

#Question id: 27957

#Unit 1. Molecules and their Interaction Relevant to Biology

Bicarbonate + Pyruvate→ Oxaloacetate

a. This reaction catalyzed by pyruvate carboxylase

b. This reaction catalyzed by carbonic anhydrases

c. Uses biotin as cofactor of pyruvate carboxylase

d. Uses biotin as cofactor ofby carbonic anhydrases

Which of the following is true about the given reaction

TLS Online TPP Program

#Question id: 27958

#Unit 1. Molecules and their Interaction Relevant to Biology

The overall equation for Gluconeogenesis is

TLS Online TPP Program

#Question id: 27959

#Unit 1. Molecules and their Interaction Relevant to Biology

Amino acids can undergo net conversion to glucose and are said to be glucogenic and Glucogenic Amino Acids, are Grouped by Site of Entry

a. Alanine, Cysteine, Glycine, Serine, Threonine, Tryptophan, can undergo glucose formation by Pyruvate

b. Arginine, Glutamate, Glutamine, Histidine, Proline can undergo glucose formation by α-Ketoglutarate

c. Isoleucine*, Methionine, Threonine, Valine can undergo glucose formation by Succinyl-CoA

d. Asparagine, Aspartate can undergo glucose formation by Oxaloacetate

Choose which of the following is correct

TLS Online TPP Program

#Question id: 27960

#Unit 1. Molecules and their Interaction Relevant to Biology

Which of the following phenomenon is directly related to repair

TLS Online TPP Program

#Question id: 27961

#Unit 1. Molecules and their Interaction Relevant to Biology

Conversion of Glucose 6-phosphate → Ribulose 5-phosphate in oxidative phase involves

(a) 2NADP

(b) Removal of 1 CO2

(c) Uses G6PD as enzyme

(d) No 2NADP is required