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In Pea Plant, Which of the Following Character is Controlled by Pleiotropic Gene?

1) Seed shape and starch grain size 2) Height and flower colour 3) Seed colour and pod size 4) Seed colour and pod colour Answer:1) Seed... View Article

Tropical Deciduous Trees Shed their Leaves During the Dry Period to ________.

Answer: conserve water Explanation: Tropical deciduous trees shed their leaves during the dry period to prevent water loss and survive in dry... View Article

Serum is

1) Blood without corpuscles 2) Plasma without clotting factors 3) Blood without RBCs 4) Blood without plasma Answer:2) Plasma without... View Article

Anaerobic Breakdown of Glucose in Our Muscles Produces

1) Lactic acid 2) Pyruvate 3) Oxalic acid 4) Ethyl alcohol Answer:1) Lactic acid Explanation: In case of strenuous exercise, when the oxygen... View Article

For the Process of Transformation to be Carried, the Microparticles that are Coated with the Desired DNA, which are to be Bombarded with Gene Gun, are Made up of

1) Platinum or zinc 2) Silver or platinum 3) Gold or tungsten 4) Silicon or platinum Answer:3) Gold or tungsten Explanation:Gene gun or... View Article

Identify the Phase of Circulation, which is Represented in the Diagram of Heart Given Below. Arrows Indicate Contraction of the Chambers Shown.

1) Blood is transferred to lungs for oxygenation and is pumped into various organs simultaneously. 2)Blood is transferred to the right... View Article

Which One of the Following Acts as a Cellular Barrier to the Entry of Microorganism in the Human Body?

1) PMNL-neutrophils 2) Monocytes 3) Natural killer cells 4) All of the above Answer:4) All of the above Explanation: Certain types of WBCs... View Article

A Flowering Plant is Planted in an Earthen Pot and Irrigated. Urea is Added in High Amounts to Make the Plant Grow Faster, but After Some Time the Plant Died. This May Be Due to _________.

1) Endosmosis 2) Exosmosis 3) Suffocation 4) Water logging Answer:2) Exosmosis Explanation: When there is excess urea present in the soil,... View Article

The Following Features Belong to Which Phylum? (1) Bilateral Symmetry (2) Triploblastic, Acoelomate (3) Organ Level of Organization (4) Dorsoventrally Flattened Body

(a) Aschelminthes (b) Platyhelminthes (c) Arthropoda (d) Annelida Answer:(b) Platyhelminthes Explanation: Platyhelminthes are commonly... View Article

Number of ATPs Produced in each Krebs Cycle Through Oxidative Phosphorylation are – A) 12, B) 24, C) 11, D) 9

Answer: C) 11 Explanation: In each Krebs cycle 3 NADH, 1 FADH2 and 1 ATP (Substrate level phosphorylation) are produced. Each NADH and FADH2... View Article

Which of the Following Region of the Root is Responsible for the Growth of the Root in Length?

1) Region of elongation 2) Region of meristematic activity 3) Root cap 4) Region of maturation Answer:1) Region of elongation Explanation:... View Article

A Gymnosperm Cell has 30 Chromosomes in it. What will be the Number of Chromosomes Present in its Endosperm?

1) 60 2) 20 3) 15 4) 10 Answer:3) 15 Explanation: Endosperm provides nourishment to the growing embryo. It is formed by double fertilisation... View Article

The Figure Below Shows the Diagrammatic Representation of the Sectional View of Cochlea. Select the Option Giving Incorrect Statement Associated With A, B, C & D –

1) A - Organ of corti - It is responsible for maintenance of balance and posture of the body 2) B - Scala vestibuli - It is filled with... View Article

The Movement of Water and Dissolved Minerals from the Roots to the Leaves is Best Explained by

1) Translocation 2) Cohesion-tension theory 3) Pressure-flow hypothesis 4) Tensile-strength Answer:2) Cohesion-tension theory Explanation:... View Article

In Antirrhinum When a Cross is Made between Red and White Flowers all Resultant Flowers are

1) Pink 2) White 3) Red 4) Equal number of red and white flowers Answer:1) Pink Explanation: Antirrhinum shows incomplete dominance. When... View Article

Conjoint Closed Vascular Bundles, Pith and Phloem Parenchyma are Absent and Hypodermis is Sclerenchymatous in ______.

1) Monocot root 2) Dicot root 3) Monocot stem 4) Dicot stem Answer:3) Monocot stem Explanation:In monocot stem vascular bundles are conjoint... View Article

An Adaptation to Arboreal Life is__________.

1) Camouflage 2) Thick skin 3) Hibernation 4) Opposable thumb Answer:4) Opposable thumb Explanation: Arboreal animals live on trees.... View Article

Assertion: The Movement of Water in Xylem is Always Upward. Reason: The Downward Movement of Water is Due to Pressure Created by Transpiration.

1) Both Assertion and Reason are correct but Reason is not the correct explanation for Assertion. 2) Both Assertion and Reason are correct and... View Article

Which of the Following is Correct Regarding Plant Tissues?

1) The collenchyma occurs in layers below the epidermis in monocotyledonous plants. 2) The xylem parenchyma cells are living and thin walled,... View Article

Which of the Given Traits Selected by Mendel w.r.t. Pea Plants, Express Itself in Both, Homozygous as well as Heterozygous Conditions?

1) Dominant 2) Recessive 3) Both 4) None of the above Answer:1) Dominant Explanation: Dominant traits are expressed in both homozygous and... View Article

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