The bulkiest cells are

  • chloroplasts
  • viruses
  • bird eggs
  • bacteria

The single nucleus striated cell present in cardiac muscles are responsible for

  • passing of proteins
  • passing of blood
  • producing heartbeat
  • absorption of secretions

Considering permanent tissues of plants, the function of epidermal tissues is to act as a barrier between internal tissues of plants and

  • external tissues of plants
  • intercalary meristem
  • environment
  • apical meristems

The hypotonic solution consists of relatively

  • less solute
  • more solvent
  • less solvent
  • more solute

According to cell theory, the new cells arise from

  • living cells
  • dead cells
  • existing cells
  • non living things

Considering types of the electron microscope, the 'SEM' stands for

  • super electron microscope
  • scanning electron microscope
  • server electron microscope
  • specific electron microscope

The muscles whose contraction is not under our control are

  • xylem ad epidermal muscles
  • skeletal and nerve muscles
  • cardiac and smooth muscles
  • cardiac and ciliated muscles

The process of ingestion of bulky materials through the infolding of the cell membrane is called

  • mitosis
  • meiosis
  • exocytosis
  • endocytosis

The small openings in the epidermis leaf are called

  • nucleotides
  • stomatas
  • granules
  • geraniums

The cardiac muscles are present in the

  • wall of heart
  • wall of kidneys
  • wall of lungs
  • wall of esophagus

The ribosomes are disassembled into two units when

  • cytoskeleton don't work
  • vacuoles don't work
  • lysosomes don't work
  • ribosomes don't work

The process of glucose breakdown during cellular respiration is

  • organic breakdown
  • nucleolus
  • dialysis
  • glycolysis

The organelles that can be seen under the electron microscope are

  • cell organelles
  • Deoxyribonucleic Acid (DNA)
  • Ribonucleic Acid (RNA)
  • all of above

The physician Camillo Golgi was awarded the Nobel prize in

  • 1910
  • 1906
  • 1920
  • 1909

The kind of meristem which is in the form of small patches among the matured tissues is called

  • tertiary meristem
  • primary meristem
  • secondary meristem
  • intercalary meristem

The nervous tissues, muscle tissues, epithelial tissues, and connective tissues are major categories of

  • mitotic tissues
  • animal tissues
  • plant tissues
  • meiotic tissues

The function of cuboidal epithelium is

  • protection of inner parts
  • absorption of secretions
  • release of secretions
  • movement of materials

The specialized structures of epidermal tissues for performing specific functions are

  • stomata and root hairs
  • root hairs and cortex
  • vascular cambium and root hairs
  • root cap and pith

The network of interconnected channels that are extended to the nuclear envelope from the cell membrane is called

  • stroma
  • lignin
  • endoplasmic reticulum
  • granum

The ribosomes present in cells are considered as sites of

  • oxygen synthesis
  • protein synthesis
  • carbon formation
  • glucose synthesis

The cell nucleus was discovered by Robert Brown in

  • 1631
  • 1931
  • 1731
  • 1831

SEM stands for

  • scanning electron microscope
  • stimulating electron microscope
  • sited electron microscope
  • simulation electron microscope

The cylindrical and hollow organelles that are found in many unicellular organisms and animals are

  • endoplasmic reticulum
  • centrioles
  • vacuoles
  • cytoplasm

The nonliving and strong component which surrounds the outer layer is

  • cell membrane
  • cell wall
  • plasma
  • nuclear envelope

The structure of cell which provides protection, support, and shape to the living inner matter is classified as

  • Golgi wall
  • cell wall
  • tertiary wall
  • endoplasmic wall

The tissue which covers the organ lines and outside of the body is called

  • hypotonic tissues
  • isotonic tissues
  • epithelial tissue
  • hypertonic tissues

The semi-transparent substance which is present between the nuclear envelope and plasma membrane is classified as

  • ribosomal fluid
  • cytoplasm
  • centrioles
  • lysosomes

The tiny granular structures that float freely in cytoplasm or bound to endoplasmic reticulum is classified as

  • lysosomes
  • ribosomes
  • vacuoles
  • cytoplasm

The kind of endoplasmic which is involved in lipid metabolism and lacks the ribosomes is called

  • synthetic endoplasmic reticulum
  • lipid endoplasmic reticulum
  • rough endoplasmic reticulum
  • smooth endoplasmic reticulum

The nervous tissues are composed of

  • electrons
  • neurons
  • protons
  • neutrons
0 h : 0 m : 1 s

Answered Not Answered Not Visited Correct : 0 Incorrect : 0