Chapter 8

RER is frequently seen in cells associated with frequent synthesis and secretion of (a) Lipid (b) Glucose (c) Protein (d) All of these

SER is frequently associated with the synthesis of (a) Lipid (b) Glucose (c) Protein (d) All of these

What is the diameter of cisternae? (a) \(0.5\) to \(1 \mu \mathrm{m}\) (b) \(0.5\) to \(1 \mathrm{~mm}\) (c) \(0.5\) to \(2 \mu \mathrm{m}\) (d) 5 to \(11 \mu \mathrm{m}\)

Cis and trans face of golgi body are and respectively. (a) Convex, Concave (b) Concave, Convex (c) Convex, Convex (d) Concave, Concave

Which face of golgi apparatus receives the materials packaged in the form of vesicles from the ER? (a) Cis (b) Trans (c) Both (a) and (b) \(\quad\) (d) None of these

Golgi apparatus is an important site for the formation of (a) Protein and lipids (b) Glycoproteins and glycolipids (c) Carbohydrates and proteins (d) Glucose and lipids

Which structure is formed by the process of packaging in golgi apparatus? (a) Ribosomes (b) Protein granules (c) Lysosomes (d) Centrosomes

Which of the following are not hydrolytic enzyme? (a) Lipase (b) Proteases (c) Carbohydrases (d) Ligases

Which of the following cannot be digested by hydrolytic enzymes? (a) DNA (b) Immunoglobulins (c) Glucose (d) Insulin

Which of the following are not the contents of vacuole? (a) Water (b) Enzymes (c) Sap (d) Excretory products

Which of the following is correct about vacoule? (a) Vacuole contain water sap, excretory product and other material not useful for the cell. (b) In plant cell the vacuole can occupy up to 90 per cent of the volume of the cell. (c) The vacuole is bounded by tonoplast. (d) All of these

The contractile vacuole present in amoeba is useful for (a) Ingestion (b) Locomotion (c) Both (a) and (b) (d) Excretion

The amount or number of mitochondria in a cell depends on (a) Anatomical structure of cell (b) Size of the cell (c) Colour and contour of the cell (d) Physiological activity of cell

What is the main function of cristae? (a) To hold the vesicles formed (b) Increase the surface area (c) Increase the density of organelle (d) All of these

What kind of ribosome is seen in mitochondria? (a) \(80 \mathrm{~S}\) (b) \(70 \mathrm{~S}\) (c) Both (a) and (b) (d) None of these

How is a new mitochondria formed by the pre-existing ones? (a) Mitosis (b) Fission (c) Conjugation (d) Budding

How is a new mitochondria formed by the pre-existing ones? (a) Mitosis (b) Fission (c) Conjugation (d) Budding

What does a chloroplast contain? (a) Chlorophyll (b) Carotenoid (c) Both (a) and (b) (d) Anthocyanin

Select the incorrect pair from the following: (a) Leucoplast-Carotene (b) Amyloplast-Starch (c) Elaioplast-Oils (d) Aleuroplasts-Proteins

In \(30 \mathrm{~S}\) and 40 S ribosomes, 'S'stands for (a) Sub-unit (b) Svedberg's unit (c) Single unit (d) Size

What kind of ribosome is present in mitochondria? (a) \(70 \mathrm{~S}\) (b) \(80 \mathrm{~S}\) (c) \(40 \mathrm{~S}\) (d) \(60 \mathrm{~S}\)

Plastids are found in (a) All plant cells (b) All animal cells (c) Euglenoids (d) Both (a) and (c)

Based on the type of pigments, the plastid can be classified into how many types? (a) 1 (b) 2 (c) 3 (d) 4

Which of the following is a type of plastid? (a) Chloroplast (b) Chromoplast (d) Leucoplast (d) All of these

Select the correct matching: Column I Column II (Type of leucoplast) (Stored food) A. Amyloplast 1\. Oil and fat B. Elaioplast 2\. Protein C. Aleuroplasts 3\. Carbohydrate (a) \(\mathrm{A}-3, \mathrm{~B}-1, \mathrm{C}-2\) (b) \(\mathrm{A}-1, \mathrm{~B}-2, \mathrm{C}-3\) (c) A-3, B-2, C-1 (d) \(\mathrm{A}-2, \mathrm{~B}-3, \mathrm{C}-1\)

Select the incorrect statement: (a) The chloroplast contains chlorophyll and carotenoid pigments. (b) Chromoplast contains water soluble carotenoid pigments like carotene, xanthophylls. (c) Plastid is easily observed under microscope. (d) Chloroplast is a double membrane bound organelle.

The number of chloroplast in alga chlamydomonas is (a) 2 (b) 1 (c) 20 to 40 (d) 5 to 10

Number of chloroplast present in a mesophyll cell (a) 5-10 (b) \(10-15\) (c) \(20-40\) (d) \(>100\)

Chlorophyll pigments are present in (a) Thylakoid (b) Stroma (c) Outer membrane (d) Inner membrane

Ribosomes are the granular structure first observed under the electron microscope as dense particle by which scientist (a) Robert Brown (1831) (b) George Palade (1953) (c) Camillo Golgi (1898) (d) Singer and Nicolson (1972)

The types of ribosome present in eukaryote cell is (a) \(70 \mathrm{~S}\) (b) \(80 \mathrm{~S}\) (c) Both (a) and (b) (d) None of these

An elaborate network of filamentous proteinaceous structures present in the cytoplasm is collectively known as (a) Cilia (b) Flagella (c) Cytoskeleton (d) ER

Cytoskeleton helps in (a) Mechanical support to cell (b) Providing mobility to cell (c) Maintenance of shape of cell (d) All of these

The central part of the proximal region of the centriole is also proteinaceous and is called (a) Spokes (b) Doublet (c) Hub (d) Linkers

Find out the incorrect statement: (a) Centrioles forms basal bodies of cilia or flagella. (b) Centriole gives rise to spindle fibres at the time of cell division in animal cell. (c) Centrosome is an organelle usually containing two cylindrical structures called centrioles. (d) Peripheral fibril of centriole is doublet.

Both cilium and flagellum emerges from centriole like structure which is called (a) Basal granules (b) Basal bodies (c) Basal lamina (d) Basal ganglion

The name 'chromatin' was given by (a) Robert Brown (b) Fleming (c) Schwann (d) Ramchandran

The outer membrane of nucleus remains continuous with which cell organelle (a) ER (b) Golgi body (c) Lysosome (d) All of these

The perinuclear space is about (a) 1-5 nm (b) \(5-10 \mathrm{~nm}\) (c) \(10-50 \mathrm{~nm}\) (d) \(>100 \mathrm{~nm}\)

The following cells are without nucleus (a) Erythrocytes of many mammals (b) Sieve tube cells of vascular plant (c) Bacterial cell (d) All of these

The site of active ribosomal RNA synthesis is (a) Nucleolus (b) Mitochondria (c) Cytoplasm (d) All of these

Chromatin contains (a) DNA (b) Basic protein histone (c) Some non-histone protein and RNA (d) All of these

How long a DNA is distributed in our forty six chromosomes? (a) 1 metre (b) 3 metre (c) 2 metre (d) 4 metre

Based on the position of centromere, the chromosomes are classified into how many types? (a) 1 (b) 3 (c) 2 (d) 4

Match the column: Column I Column II A. Metacentric chromosomal 1\. Middle centromere B. Sub-metacentric 2\. Centromere slightly way from middle C. Acrocentric 3\. Centromere close to its end D. Telocentric 4\. Terminal centromere (a) \(\mathrm{A}-1, \mathrm{~B}-2, \mathrm{C}-3, \mathrm{D}-4\) (b) \(\mathrm{A}-2, \mathrm{~B}-1, \mathrm{C}-3, \mathrm{D}-4\) (c) A-1, B-2, C-4, D-3 (d) \(\mathrm{A}-4, \mathrm{~B}-3, \mathrm{C}-2, \mathrm{D}-1\)

Select the incorrect statement: (a) Micro bodies contain various enzyme and are present in both plant and animal cells. (b) Few chromosomes have non-staining secondary constriction of constant location. This give the appearance of a small fragment called the satellite. (c) Nuclei are spherical structures present in nucleoplasm and it is a site for ribosomal RNA synthesis. (d) Every chromosome essentially has a secondary constriction or the centromere on the sides of which disc shaped structures called kinetochores are present.

Assertion: Bacterial cells may be motile or non motile. Reason: Bacterial cells may or may not posses cilia.

Assertion: Bacterial cell walls are not like the plant cell. Reason: Bacterial cell wall is not made up of cellulose.

Assertion: Eukaryotic cells have more DNA than prokaryotic cells. Reason: Eukaryotes are genetically more complex than prokaryotes.

Assertion: In animal cells, the lipid-like steroidal hormones are synthesized in SER. Reason: The smooth ER is the major site for synthesis of lipid.