GB Cells Tissues

Which types of tissues will have contractile proteins

Which one of the following types of tissues will have contractile proteins?

1. Nervous tissue
2. Muscle tissue
3. Bone tissue
4. Blood tissue

Who among the following first discovered cell

Who among the following first discovered cell?

1. Robert Brown
2. Robert Hooke
3. Leeuwenhoek
4. Rudolf Virchow

Which statements about meristematic tissues in plants is correct

Which one of the following statements about meristematic tissues in plants is correct?

1. These are dead tissues and form wood
2. They provide flexibility to plant due to their thickened walls
3. These are present in the bark of a tree only
4. Growth occurs in plants due to division of cells of these tissues

Which organelle is not found in prokaryotic cells

Which one of the following organelle is not found in prokaryotic cells?

1. Cell wall
2. Mitochondria
3. Plasma membrane
4. Ribosome

AIDS is caused by a virus whose genetic material is

AIDS is caused by a virus whose genetic material is

1. single stranded circular DNA
2. double stranded DNA
3. single stranded RNA
4. double stranded RNA

The living content of cell is called protoplasm. It is composed of

The living content of cell is called protoplasm. It is composed of:

1. Cytoplasm only
2. Cytoplasm and nucleoplasm
3. Nucleoplasm only
4. Cytoplasm, nucleoplasm and other organelles

Within an animal cell, the most abundant inorganic constituent

Within an animal cell, the most abundant inorganic constituent of protoplasm is

1. phosphate
2. water
3. sodium and potassium salt
4. iron

Which are found in both plant and animal cells

Which of the following are found in both plant and animal cells?

1. Cell membrane, Chloroplast, Vacuole
2. Cell wall, Nucleus, Vacuole
3. Cell membrane, Cytoplasm, Nucleus
4. Cell wall, Chloroplast, Cytoplasm

The water conducting tissue generally present in gymnosperm is

The water conducting tissue generally present in gymnosperm is

1. vessels
2. sieve tube
3. tracheids
4. xylem fibres

Cork cells are made impervious to water and gases by the presence of

Cork cells are made impervious to water and gases by the presence of

1. cellulose
2. lipids
3. suberin
4. lignin

Flexibility in plants is due to

Flexibility in plants is due to

1. collenchyma
2. sclerenchyma
3. parenchyma
4. chlorenchyma

Which does not lose their nucleus at maturity

Which of the following does not lose their nucleus at maturity?

1. Companion cells
2. Red blood cells
3. Vessel
4. Sieve tube cells

The dead element present in the phloem is

The dead element present in the phloem is

1. companion cells
2. phloem fibres
3. phloem parenchyma
4. sieve tubes

Which cells is found in the cartilaginous tissue

Which of the following cells is found in the cartilaginous tissue of the body?

1. Mast cells
2. Basophils
3. Osteocytes
4. Chondrocytes

The muscular tissue which function throughout the life continuously

The muscular tissue which function throughout the life continuously without fatigue is

1. skeletal muscle
2. cardiac muscle
3. smooth muscle
4. voluntary muscle

Which helps in repair of tissue and fills up the space inside the organ

Which of the following helps in repair of tissue and fills up the space inside the organ?

1. Tendon
2. Adipose tissue
3. Areolar
4. Cartilage

Nerve cell does not contain

Nerve cell does not contain

1. axon
2. nerve endings
3. tendons
4. dendrites

Nervous tissue is not found in

Nervous tissue is not found in

1. brain
2. spinal cord
3. tendons
4. nerves

Voluntary muscles are found in

Voluntary muscles are found in

1. alimentary canal
2. limbs
3. iris of the eye
4. bronchi of lungs

Contractile proteins are found in

Contractile proteins are found in

1. bones
2. blood
3. muscles
4. cartilage

Bone matrix is rich in

Bone matrix is rich in

1. fluoride and calcium
2. calcium and phosphorus
3. calcium and potassium
4. phosphorus and potassium

Fats are stored in human body as

Fats are stored in human body as

1. cuboidal epithelium
2. adipose tissue
3. bones
4. cartilage

Cartilage is not found in

Cartilage is not found in

1. nose
2. ear
3. kidney
4. larynx

Meristematic tissues in plants are

Meristematic tissues in plants are

1. localised and permanent
2. not limited to certain regions
3. localised and dividing cells
4. growing in volume

Which muscles act involuntarily

Which muscles act involuntarily?

1. Striated muscles
2. Smooth muscles
3. Cardiac muscles
4. Skeletal muslces

Select the correct option:

1. (i) and (ii)
2. (ii) and (iii)
3. (iii) and (iv)
4. (i) and (iv)

Intestine absorb the digested food materials. What type of epithelial cells

Intestine absorb the digested food materials. What type of epithelial cells are responsible for that?

1. Stratified squamous epithelium
2. Columnar epithelium
3. Spindle fibres
4. Cuboidal epithelium

Which cell does not have perforated cell wall

Which cell does not have perforated cell wall?

1. Tracheids
2. Companion cells
3. Sieve tubes
4. Vessels

Girth of stem increases due to

Girth of stem increases due to

1. apical meristem
2. lateral meristem
3. intercalary meristem
4. vertical meristem

Which of the following tissues has dead cells

Which of the following tissues has dead cells?

1. Parenchyma
2. Sclerenchyma
3. Collenchyma
4. Epithelial tissue

Living cells were discovered by

Living cells were discovered by

1. Robert Hooke
2. Purkinje
3. Leeuwenhoek
4. Robert Brown

Organelle without a cell membrane is

Organelle without a cell membrane is

1. ribosome
2. golgi apparatus
3. chloroplast
4. nucleus

The only cell organelle seen in prokaryotic cell is

The only cell organelle seen in prokaryotic cell is

1. mitochondria
2. ribosomes
3. plastids
4. lysosomes

Cell theory was given by

Cell theory was given by

1. Schleiden and Schwann
2. Virchow
3. Hooke
4. Haeckel

Cell arises from pre-existing cell was stated by

Cell arises from pre-existing cell was stated by

1. Haeckel
2. Virchow
3. Hooke
4. Schleiden

Lipid molecules in the cell are sythesized by

Lipid molecules in the cell are sythesized by

1. smooth endoplasmic reticulum
2. rough endoplasmic reticulum
3. golgi apparatus
4. plastids

Organelle other than nucleus, containing DNA is

Organelle other than nucleus, containing DNA is

1. endoplasmic reticulum
2. golgi apparatus
3. mitochondria
4. lysosome

Cell wall of which one of these is not made up of cellulose

Cell wall of which one of these is not made up of cellulose?

1. Bacteria
2. Hydrilla
3. Mango tree
4. Cactus

Amoeba acquires its food through a process, termed

Amoeba acquires its food through a process, termed

1. exocytosis
2. endocytosis
3. plasmolysis
4. exocytosis and endocytosis both

The cell organelle involved in forming complex sugars from simple sugars

The cell organelle involved in forming complex sugars from simple sugars are

1. endoplasmic reticulum
2. ribosomes
3. plastids
4. golgi apparatus

The undefined nuclear region of prokaryotes are also known as

The undefined nuclear region of prokaryotes are also known as

1. nucleus
2. nucleolus
3. nucleic acid
4. nucleoid

The proteins and lipids, essential for building the cell membrane

The proteins and lipids, essential for building the cell membrane, are manufactured by

1. rough endoplasmic reticulum
2. golgi apparatus
3. plasma membrane
4. mitochondria

Which cell organelle plays a crucial role in detoxifying many poisons

Which cell organelle plays a crucial role in detoxifying many poisons and drugs in a cell?

1. Golgi apparatus
2. Lysosomes
3. Smooth endoplasmic reticulum
4. Vacuoles

Which of the following are covered by a single membrane

Which of the following are covered by a single membrane?

1. Mitochondria
2. Vacuole
3. Lysosome
4. Plastid

Plasmolysis in a plant cell is defined as

Plasmolysis in a plant cell is defined as

1. break down (lysis) of plasma membrane in hypotonic medium
2. shrinkage of cytoplasm in hypertonic medium
3. shrinkage of nucleoplasm
4. none of them

Chromosomes are made up of

Chromosomes are made up of

1. DNA
2. protein
3. DNA and protein
4. RNA

A cell will swell up if

A cell will swell up if

1. The concentration of water molecules in the cell is higher than the concentration of water molecules in surrounding medium
2. The concentration of water molecules in surrounding medium is higher than water molecules concentration in the cell
3. The concentration of water molecules is same in the cell and in the surrounding medium
4. Concentration of water molecules does not matter

The thread-like structures present in the nucleus are

The thread-like structures present in the nucleus are

1. nucleolus
2. chromosomes
3. genes
4. ribosomes

Which one of the following term is not a part of the nucleus

Which one of the following term is not a part of the nucleus?

1. ribosome
2. nucleolus
3. chromosome
4. gene

The jelly-like fluid substance present in cells is called

The jelly-like fluid substance present in cells is called

1. protoplasm
2. chromosome
3. chloroplast
4. cytoplasm