Question

Q.27 In living cells mitochondria can be stained

with-

(1) Neutral red (2) Janus green

(3) Crystal violet (4) Aceto-orcein

Q.28 The outer membrane of mitochondria is -

(1) Less permeable

(2) Less proteinaceous

(3) Heavier

(4) Larger

Q.29 Mitochondrial outputs are -

(1) ADP, CO2

(2) ATP, O2

(3) ATP, CO2

, H2O (4) ATP, CO2

Q.30 The overcoat of the plasma membrane is the

handiwork of -

(1) Golgi complex (2) Lysosomes

(3) Nucleolus (4) Mitochondria

Q.31 Find out the incorrect statement -

(1) The inner mitochondrial membrane

possesses succinic dehydrogenase and

cytochrome oxidase.

(2) The membrane bound Krebs cycle

enzyme is succinic dehydrogenase

(3) Both mitochondrial membrane are

ultrastructurally similar

(4) Mitochondrial cristae are sites of

oxidation-reduction reaction.

Q.32 Which is an incorrect statement -

(1) Microtubules take part in cell division

(2) Detoxification site in liver cells is in SER

(3) The nucleolus contains DNA homologous

to ribosomal RNA

(4)Centrioles are located on the chromosomes

Q.33 Which of the following statements regarding cilia

is not correct–

(1) Cilia contain an outer ring of nine

microtubules surrounding two microtubules

(2) The organized beating of cilia is controlled

by fluxes of Ca2+ across the membrane

(3) Cilia are hair-like cellular appendages

(4) Microtubules of cilia are composed of

tubulin

Q.34 Selecting the wrong statement from the

following–

(1) Both chloroplasts and mitochondria have an

internal compartment, the thylakoid space

bounded by the thylakoid membrane

(2) Both chloroplasts and mitochondria contain

DNA

(3) The chloroplasts are generally much larger

than mitochondria

(4) Both chloroplasts and mitochondria contain

an inner and an outer membrane

Q.35 All the following statement are correct except–

(1) Peroxisomes are quite common in the

photosynthetic cells. Their number can be

70–100 per mesophyll cell wherein they

interact with mitochondria and chloroplasts

to take part in photorespiration

(2) Glyoxysomes are numerous in the

endosperm of wheat

(3) The ER-bound ribosomes synthesise

secretory membrane and lysosomal protein

(4) Ribosomes when associated with ER are

attached with their 60S sub-unit

Q.36 How many divisions will occur in an isolated tip

cell to form 128 cells -

(1) 128 (2) 127 (3) 32 (4) 7

Q.37 Synthesis of proteins for formation of spindle

fibres takes place in -

(1) G1

-phase (2) S-phase

(3) G2

-phase (4) M-phase

Q.38 O18 was used in H2O to prove that O2

comes

from H2O in photosynthesis by Ruben and

Kamen. C14 was used by Calvin to discover dark

reaction. N15 is used in the study of–

(1) Chromosome replication

(2) DNA replication

(3) Protein synthesis

(4) C4

Cycle.​

Answer 1

Answer:

neutral red is the color

Answer 2

Answer:

Q.27. Janus green

Q.28.ATP ,CO2,H2O

Q.29.golgi complex

Q.34.According to me all are correct

Q.36.127

Q.37.G2 phase

sorry ,I know only this much sorry once again