Plant Anatomy and Plant Physiology Additional One Mark Online Test

Plant Anatomy and Plant Physiology Additional One Mark Online Test (10th Standard Science)

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Who among the following scientists is recognized as the Father of Plant Anatomy for publishing the first detailed account of internal plant structures?

A.Sachs B.Nehemiah Grew C.Robert Hill D.Melvin Calvin

In which type of vascular bundle are xylem and phloem arranged alternately along different radii?

A.Conjoint collateral bundle B.Bicollateral vascular bundle C.Radial vascular bundle D.Concentric vascular bundle

A vascular bundle in which phloem completely surrounds the centrally located xylem is termed as:

A.Amphivasal vascular bundle B.Amphicribral vascular bundle C.Collateral open bundle D.Bicollateral closed bundle

What is the arrangement called when protoxylem lies towards the center and metaxylem lies towards the periphery?

A.Exarch B.Polyarch C.Endarch D.Tetrarch

The innermost layer of cortex in a dicot root contains band-like suberin thickenings known as:

A.Bulliform strips B.Passage cells C.Casparian strips D.Starch sheath

Which of the following features distinguishes a dicot root from a monocot root?

A.Presence of exarch xylem B.Radial vascular bundle arrangement C.Presence of passage cells in endodermis D.Presence of tetrarch xylem bundles and absence of pith at maturity

The hypodermis of a dicot stem provides mechanical strength to the plant body and is composed of:

A.Sclerenchyma cells B.Collenchyma cells C.Chlorenchyma cells D.Parenchyma cells

In the transverse section of a monocot stem, what is the characteristic feature observed within the vascular bundle due to disintegration of protoxylem vessels?

A.Starch sheath B.Eustele ring C.Protoxylem cavity D.Cambium ring

In a dorsiventral leaf, the mesophyll tissue situated below the upper epidermis consists of elongated cells packed with chloroplasts called:

A.Spongy parenchyma B.Palisade parenchyma C.Bulliform cells D.Bundle sheath cells

Q10

Which category of plastids is non-pigmented and primarily functions to store food materials in plant cells?

A.Chloroplasts B.Chromoplasts C.Leucoplasts D.Phaeoplasts

Q11

The light-dependent reaction of photosynthesis occurs in which specific structural part of the chloroplast?

A.Stroma B.Outer membrane C.Grana D.Peroxisome

Q12

During photosynthesis, carbon dioxide fixation and carbohydrate synthesis occur in the stroma through the:

A.Photolysis of water B.Light-independent reaction C.Oxidative phosphorylation D.Glycolytic pathway

Q13

The inner mitochondrial membrane forms finger-like infoldings called cristae, which bear ATP-synthesizing complexes known as:

A.Thylakoids B.Oxysomes C.Quantasomes D.Ribosomes

Q14

Where does glycolysis, the primary stage of respiration common to both aerobic and anaerobic pathways, take place inside the cell?

A.Mitochondrial matrix B.Inner mitochondrial membrane C.Cytoplasm D.Chloroplast stroma

Q15

How is the Respiratory Quotient (RQ) defined during cellular respiration?

A.Ratio of volume of oxygen consumed to volume of carbon dioxide liberated B.Ratio of volume of carbon dioxide liberated to volume of oxygen consumed C.Ratio of ATP molecules synthesized to glucose molecules consumed D.Ratio of water molecules formed to oxygen molecules consumed

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About this Plant Anatomy and Plant Physiology test

This free online practice test covers Plant Anatomy and Plant Physiology from the 10th Standard Science (Samacheer Kalvi) syllabus. Choose the number of questions and an optional time limit, then answer and submit — everything is checked in your browser, with the correct answers and a worked explanation shown at the end. For the full solutions to every question in this set, see the solved MCQs page.

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