Biology MCQs

Page No. 24

Addition of salts and other solutes from other cells into xylem sap, __________ the water potential of the xylem sap


aIncreases


bLowers


cDoesn’t effect


dMaintains


View Answer Lowers

Symbionts which help plants in uptake of phosphorous and trace metals such as zinc and copper.


aBacteria


bViruses


cFungi


dCyanobacteria


View Answer Fungi

Low level of CO2 favours _________ of the stomata.


aOpening


bClosure


cBoth of these


dNone of these


View Answer Opening

There are _________ hypothesis which may explain opening and closing of stomata?


aOne


bTwo


cThree


dFour


View Answer Two

The opening and closing of stomata is directly controlled by the___________?


aTemperature


bpH


cLight


dNone of these


View Answer Light

Pressure flow theory was proposed by_________?


aH-Van Mohl


bDixon


cVander wall


dEarnst Munch


View Answer Earnst Munch

Open circulatory system can contain_________?


aRed Blood Cells


bWhite Blood Cells


cHaemoglobin


dAll of these


View Answer White Blood Cells

95% of the cytoplasm of red blood cells is the___________?


aAntibodies


bHemoglobin


cEnzymes


dProteins


View Answer Hemoglobin

_________ give rise to macrophages, which destroy larger particles by phagocytosis.


aNautrophils


bBasophila


cMonocyte


dLymphocyte


View Answer Monocyte

___________ function as multisensory hydraulic valve?


aLenticels


bGuard cells


cHydathods


dAll of these


View Answer Guard cells

Goto Page No.

Page 24 of 124

Alphabetical MCQs Categories

Here below You find all kind of categories of MCQs in alphabetical order.


"Comprehensive Collection of MCQs: Alphabetically Organized by Subject"

"Discover an extensive collection of multiple-choice questions (MCQs) neatly categorized by subject from A to Z. This resource is designed for anyone eager to explore various topics in a straightforward and organized manner. Whether you're a student preparing for exams, an educator seeking supplementary materials, or simply curious about different subjects, this compilation offers a convenient way to learn and assess your knowledge. With questions arranged alphabetically, navigation is effortless, allowing you to delve into subjects of interest at your own pace. Engage, learn, and expand your understanding with this accessible and comprehensive repository of MCQs!"


BolPakistan

bolpakistan.com.pk includes Job Mcqs and Pak Mcqs is the Top Largest Mcqs Forum in World, in which you can read Mcqs of All Subjects, PPSC test preparation, FPSC, NTS and PPSC PAST PAPERS, PPSC PAST MCQS. A Collection of Repeated MCQs for JOBs seekers.

Copyright © 2024, Designed & Developed by BolPakistan