The Scanning Electron Microscope is used to study

  • shoot system of plants
  • roots of plants
  • structure of cell study
  • internal cell structure

The microscope in which beam of electrons is used and the lens is kept in the vacuum chamber is

  • electron microscope
  • proton microscope
  • neutron microscope
  • light microscope

A thin elastic membrane covering cytoplasm is cell membrane which is present in all

  • prokaryotes only
  • eukaryotes only
  • protists
  • prokaryotes and eukaryotes

Considering the size of cells, the smallest cells are

  • bacteria
  • nerve cells
  • centrioles
  • nucleoli

The long cells that have pores at the end of walls are called

  • sieve tube cells
  • exocytosis cells
  • endocytosis cells
  • lateral cells

The process of separation of salts from water through semi-permeable membranes is

  • reverse exocytosis
  • reverse endocytosis
  • reverse diffusion
  • reverse osmosis

Zacharias developed first

  • microscope
  • telescope
  • spectroscope
  • optical lens

The smooth muscles, cardiac muscles, and skeletal muscles are classified as types of

  • meristematic tissues
  • epidermal tissues
  • muscle tissues
  • nervous tissues

The environment in which plant cell's cytoplasm shrinks due to the loss of water is

  • hypotonic environment
  • isotonic environment
  • toning environment
  • hypertonic environment

The by-products formed during metabolism are

  • stored in cell
  • excreted out of cell
  • mixed with blood
  • stored in cell and excreted out of cell

The pre-existing cells from which all living cells arise are

  • Omis cellulose e cellular
  • Omis cellulose e cellulose
  • Omis cellula e cellulite
  • Omis cellula e cellula

The concentration environment of guard cells during night time is called

  • toning environment
  • hypertonic environment
  • hypotonic environment
  • isotonic environment

The granular fluid present inside the nuclear envelope is called

  • glycolysis
  • nucleolus
  • cytoplasm
  • nucleolus

The protein that made triplets of microtubules of centrioles is

  • tubulin protein
  • lignin protein
  • granum protein
  • actin protein

The increase in the size of the object is known as

  • magnification
  • resolving
  • scanning
  • focusing

Considering the types of endocytosis, the phagocytosis means

  • cellular eating
  • cellular absorption
  • cellular respiration
  • cellular osmosis

The phloem tissues are responsible for the

  • osmotic pressure
  • secretion of water
  • absorption of water
  • conduction of food

The membrane which covers the cytoplasm of eukaryotic and prokaryotic cells is known as

  • epidermis
  • epithelial
  • cell wall
  • cell membrane

The term which we used to measure the clarity of an image is

  • resolution only
  • resolving only
  • magnification
  • resolution and resolving

The magnification of SEM is

  • 10000 to 20000
  • 10000 to 100000
  • 10000 to 12000
  • none of above

In the electron microscope, the lenses that focus the image onto the screen is called

  • electron lenses
  • neutron lenses
  • light lenses
  • electromagnetic lenses

The division of lateral meristems leads to an increase in

  • transpiration
  • osmosis
  • absorption
  • growth of parts of plants

The substance made by guard cells during day time is

  • glucose
  • carbon dioxide
  • oxygen
  • nitrogen

The microfilaments are composed of

  • actin protein
  • chitin protein
  • tubulin protein
  • mosaic protein

The minimum size of an object that can be seen under an electron microscope is

  • 0.2 nanometer
  • 0.5 nanometer
  • 0.8 nanometer
  • 1.5 nanometer

The process in which the smaller molecules move across the semi-permeable membrane with the help of water pressure is

  • filtration
  • osmosis
  • facilitated diffusion
  • diffusion

The tissues that are composed of cells having the ability to divide are classified as

  • meristematic tissues
  • spinal tissues
  • apical tissues
  • secondary tissues

Considering kinds of epithelial tissues, the ciliated columnar epithelium is composed of

  • elongated cells with cilia
  • flat cells with flagella
  • cube cells with cilia
  • flat cells with cilia

The tubulin protein is a major component of

  • flagella and mosses
  • ferns and cilia
  • Volvox and mosses
  • flagella and cilia

The structure of walls in the ground tissues is

  • primary cell walls
  • secondary cell walls
  • tertiary cell walls
  • tetra cell walls
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