Practice

Question 101

The phenomenon in which an organism is created with an increased abnormal number of chromosomes is called:

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Correct answer: (A) Aneuploidy

1 marks · 2024 · Set E

Question 102

Pleiotropy can be defined as:

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Correct answer: (B) When one gene exhibits multiple traits

1 marks · 2024 · Set E

Question 103

The condensation of chromosomes is observed in:

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Correct answer: (D) More than one of the above

1 marks · 2024 · Set E

Question 104

At which of the following stages do cells not further divide?

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Correct answer: (B) G0

1 marks · 2024 · Set E

Question 105

The subunits of prokaryotic ribosomes are:

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Correct answer: (A) 50S + 30S

1 marks · 2024 · Set E

Question 106

Which organelle is associated with the formation of basal granules, cilia and flagella?

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Correct answer: (B) Centrosome

1 marks · 2024 · Set E

Question 107

Based on the type of pigments, plastids can be classified into:

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Correct answer: (D) More than one of the above

1 marks · 2024 · Set E

Question 108

Who proposed the fluid mosaic model of the plasma membrane?

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Correct answer: (B) Singer and Nicolson

1 marks · 2024 · Set E

Question 109

The “bakanae” disease of rice is caused by:

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Correct answer: (B) Gibberella fujikuroi

1 marks · 2024 · Set E

Question 110

Which of the following is a function of the cytoskeleton in a cell?

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Correct answer: (D) More than one of the above

1 marks · 2024 · Set E

Question 111

Which of the following is absent in closed vascular bundles?

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Correct answer: (B) Cambium

1 marks · 2024 · Set E

Question 112

The cortex is the region found between:

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Correct answer: (A) Epidermis and endodermis

1 marks · 2024 · Set E

Question 113

Which tissues are involved in secondary growth of dicotyledonous plants?

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Correct answer: (D) More than one of the above

1 marks · 2024 · Set E

Question 114

Which structure permits the exchange of gases between the outer atmosphere and the internal tissue of the stem?

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Correct answer: (A) Lenticels

1 marks · 2024 · Set E

Question 115

Which of the following does not conduct water?

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Correct answer: (A) Heartwood

1 marks · 2024 · Set E

Question 116

In grasses, certain large, empty, colourless epidermal cells along the veins are called:

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Correct answer: (C) Bulliform cells

1 marks · 2024 · Set E

Question 117

In C4 plants, RuBisCO is present in:

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Correct answer: (C) Bundle sheath cells

1 marks · 2024 · Set E

Question 118

Which of the following is a product of the light reaction of photosynthesis?

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Correct answer: (D) More than one of the above

1 marks · 2024 · Set E

Question 119

How many turns of the Calvin cycle are required for the formation of one molecule of glucose?

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Correct answer: (B) 6

1 marks · 2024 · Set E

Question 120

Before its entry into the Krebs cycle, a pyruvic acid molecule is converted into:

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Correct answer: (C) Acetyl CoA

1 marks · 2024 · Set E

Question 121

Decarboxylation occurs during:

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Correct answer: (D) More than one of the above

1 marks · 2024 · Set E

Question 122

“Cry protein” coded by the gene CryIAb controls:

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Correct answer: (C) Corn borer

1 marks · 2024 · Set E

Question 123

The term systematics refers to:

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Correct answer: (C) Diversity of kinds of organisms and their relationships

1 marks · 2024 · Set E

Question 124

Biogas is produced by which of the following microorganisms?

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Correct answer: (B) Archaebacteria

1 marks · 2024 · Set E

Question 125

Which of the following bacteria can fix atmospheric nitrogen?

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Correct answer: (D) More than one of the above

1 marks · 2024 · Set E

Question 126

“Contagium vivum fluidum” किसने प्रस्तावित किया था?

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Correct answer: (B) M. W. Beijerinck

1 marks · 2024 · Set E

Question 127

Which are known as “fungi imperfecti”?

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Correct answer: (C) Deuteromycetes

1 marks · 2024 · Set E

Question 128

Karyogamy is:

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Correct answer: (A) Fusion of two nuclei

1 marks · 2024 · Set E

Question 129

Which of the following belongs to Chlorophyceae?

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Correct answer: (D) More than one of the above

1 marks · 2024 · Set E

Question 130

Which group is called the amphibians of the plant kingdom?

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Correct answer: (B) Bryophytes

1 marks · 2024 · Set E

Question 131

Which of the following features is/are true about Sphagnum?

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Correct answer: (D) More than one of the above

1 marks · 2024 · Set E

Question 132

Which of the following is not an example of a moss?

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Correct answer: (C) Marchantia

1 marks · 2024 · Set E

Question 133

Match the following: a) Green algae, b) Brown algae, c) Red algae; i) Spirogyra, ii) Laminaria, iii) Porphyra.

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Correct answer: (B) a-i, b-ii, c-iii

1 marks · 2024 · Set E

Question 134

Which of the following statements is not true about pteridophytes?

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Correct answer: (B) Undifferentiated vascular tissue

1 marks · 2024 · Set E

Question 135

Which of the following is an incorrect match?

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Correct answer: (A) Psilopsida — Pteris

1 marks · 2024 · Set E

Question 136

Choose the correct match.

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Correct answer: (D) More than one of the above

1 marks · 2024 · Set E

Question 137

The giant redwood tree Sequoia is a/an:

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Correct answer: (C) Gymnosperm

1 marks · 2024 · Set E

Question 138

Which of the following has male cones and megasporophylls on different trees?

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Correct answer: (B) Cycas

1 marks · 2024 · Set E

Question 139

The members of Phycomycetes are found:

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Correct answer: (D) More than one of the above

1 marks · 2024 · Set E

Question 140

Which of the following is found as a parasitic fungus on mustard?

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Correct answer: (C) Albugo

1 marks · 2024 · Set E

Question 141

Which plant disease is caused by Puccinia?

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Correct answer: (A) Wheat rust

1 marks · 2024 · Set E

Question 142

Which of the following plants has hallucinogenic properties?

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Correct answer: (D) More than one of the above

1 marks · 2024 · Set E

Question 143

Which of the following drugs is obtained from poppy plants?

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Correct answer: (C) Morphine

1 marks · 2024 · Set E

Question 144

In a floral formula, the calyx is represented by:

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Correct answer: (A) K

1 marks · 2024 · Set E

Question 145

The actinomorphic and zygomorphic nature of flowers is represented in:

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Correct answer: (A) Floral formula

1 marks · 2024 · Set E

Question 146

An important character of flowers in the Solanaceae family is:

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Correct answer: (C) The ovary is obliquely placed and the placenta is swollen

1 marks · 2024 · Set E

Question 147

Colchicine is obtained from a plant belonging to which family?

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Correct answer: (B) Liliaceae

1 marks · 2024 · Set E

Question 148

Tepals are found in the flowers of which family?

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Correct answer: (C) Liliaceae

1 marks · 2024 · Set E

Question 149

Which of the following PGRs breaks seed dormancy?

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Correct answer: (A) Ethylene

1 marks · 2024 · Set E

Question 150

The Indian Botanical Garden is situated at:

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Correct answer: (A) Kolkata

1 marks · 2024 · Set E

TRE3 — Language General Studies And Botany