The Unit of Life: TGT PGT और NEET में जीवन की इकाई से पूछे जाने वाले टॉप 30 MCQ Questions

The Unit of Life (जीवन की इकाई)

1:- Who amongst the following scientists is credited with the discovery of cell which was published in ‘Micrographia’?

(1) Robert Brown
(2) Robert Hooke
(3) Schleiden
(4) Schwann
Answer:- Robert Hooke

2:-Who was first to Observe living substance in the cells?

(1) Anton Van Leeuwenhoek
(2) Alfonso Corti
(3) Robert Brown
(4) Johannes Purkinje
Answer:-Anton Van Leeuwenhoek

3:-Cell theory is not applicable to-

(1) Algae
(2) Fungi
(3) Bacteria
(4) Viruses
Answer:-Viruses

4:-Cell theory was put forward by-

(1) Schleiden and Schwann in 1838-1839
(2) Sutton and Boveri
(3) Watson and Crick
(4) Daarwing and Wallac
Answer:-Schleiden and Schwann in 1838-1839

5:- The smallest cell is

(1) RBC
(2) Bacteria
(3) Mycoplasma
(4) Egg of an Ostrich
Answer:-Mycoplasma

6:- The following are not found in plant cells-

(1) Cell walls
(2) Centrioles
(3) Plastids
(4) Vacuole
Answer:-Centrioles

7:-The prokaryotic cells are characterissed by-

(1) Distinct chromosome
(2) Absence of chromatin material
(3) Absence of nuclear membrane
(4) Distinct nuclear membrane
Answer:- Absence of nuclear membrane

8:- Mannans is found in the cell wall of-

(1) Fungi
(2) All plants
(3) Algae
(4) Bacteria
Answer:-AlgaeCell the unit of life: Biology MCQ for competitive exam TGT PGT and NEET

9:- The cells are held together by a Ca- pectate
layer called –

(1) Primary cell wall
(2) Secondary cell wall
(3) Glucose amine
(4) Mucopeptide
Answer:-Primary cell wall

10:- The first structure formed from cell plate
between newly formed daughter cell is
called-

(1) Primary wall
(2) Secondary wall
(3) Tertiary wall
(4) Middle lamella
Answer:- Middle lamella

11:- Usually genetic material in prokaryotic cell is-

(1) SS RNA
(2) SS DNA
(3) DS RNA
(4) DS DNA
Answer:-DS DNA

12:- Earlier investigations revealed that cell
membrane is made up of-

(1) Proteiens
(2) Lipids
(3) Carbohydrates
(4) Many layers
Answer:- Lipids

13:- Butter Sandwich model of plasma membrane
was proposed by:-

(1) Davson and Danielli
(2) Robertson
(3) Singer and Nicolson
(4) Benson
Answer:-Davson and Danielli

14:- Extrinsic and intrinsic proteins found in
plasma membrane are in the following ratio-

(1) 70:30
(2) 30:70
(3) 40:60
(4) 60:40
Answer:- 30:70

  1. Ribophorin-I and II occur on the surface of:-

(1) Rough E.R.
(2) Smooth E.R
(3) Golgi body
(4) None
Answer:- Rough E.R.

यह भी पढ़िए:

  1. T- tubules of muscles are modification of:-

(1) E.R.
(2)Golgibody
(3) Microtubules
(4) Microfilaments
Answer:- E.R.

  1. RER is well developed in cells engaged in the
    synthesis of-

(1) Nucleotides
(2) Proteins
(3) Lipids
(4) Secretory products
Answer:- Proteins

  1. During spermatogenesis golgi is thought to be
    responsible for the formation of:-

(1) Tail
(2) Myeloid piece
(3) Head
(4) Acrosome
Answer:- Acrosome

  1. Synthesis of cellulose and hemicellulose take
    place in:-

(1) Micro bodies
(2) Smooth E.R.
(3) Golgi complex
(4) Lysosome
Answer:- Golgi complex

  1. How many components present in fully
    developed golgi apparatus:-

(1) 2
(2) 3
(3) 4
(4) 5
Answer:- 4

  1. Cisterne is found in-

(1) Only mitochondria
(2) Only Endoplasmic Reticulum
(3) Endoplasmic Reticulum and Golgi
body
(4) Only Golgi body
Answer:-Endoplasmic Reticulum and Golgi
body

  1. Mark the lysosomal stabilizer:-

(1) Vitamin-K
(2) Vitamin-A
(3) Cortisone
(4) Progesterone
Answer:-Cortisone

  1. Which of the following prevents the rupturing
    of lysosomal membrane:-

(1) Cholesterol
(2) Vit.A
(3) Testosterone
(4) UV-rays
Answer:-Cholesterol

  1. Lysosomes are formed by budding off vesicles
    from golgi apparatus and contain-

(1) Oxidising enzymes
(2) 40 different acid hydrolases
(3) Respiratory enzymes
(4) Basic hydrolases

Answer:- 40 different acid hydrolases

  1. Plastids are absent in

(1) Rhizopus
(2) Spirogyra
(3) Funaria
(4) Cycas
Answer:- Rhizopus

  1. The Plastid which converts radiant energy into
    chemical energy is-

(1) Leucoplast
(2) Chloroplast
(3) Chromoplast
(4) Anthocyanin
Answer:- Chloroplast

  1. Which of the following organelle stores
    proteins?

(1) Amyloplasts
(2) Aleuroplasts
(3) Plastids
(4) Elaioplasts (oleosomes)
Answer:-Aleuroplasts

  1. Each quantasome contains

(1) 100 chlorophyll molecules
(2) 200 chlorophyll molecules
(3) 300 chlorophyll molecules
(4) 230 chlorophyll molecules
Answer:-230 chlorophyll molecules

  1. In vacuole, Anthocyanin impart the colours which are-

(1) Pink
(2) Violet
(3) Blue
(4) All the above
Answer:-All the above

जीवन की इकाई (The unit of life) के इन MCQ Questions को अपने दोस्तों के साथ जरूर शेयर करे।

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