The movement of material across a selectively permeable membrane can take place by
A. Passive transport
B. Active transport
C. None of these
D. Both a and b
Biology
Crossing over and the random assortment of chromosomes are tow significant happenings of
A. Mitosis
B. Amitosis
C. Meiosis
D. All a, b, c
Each centriole contains:
A. 27 microtubules
B. 6 microtubules
C. 9 microtubules
D. 10 microtubules
Spore mother cells of plants show which kind of division for spore formation?
A. Mitosis
B. Meiosis
C. Both of these
D. None of these
The name peroxisome was applied because this organelle is specifically involved in the formation and decomposition of:
A. Hydrogen peroxide
B. Carbon dioxide
C. Nitrogen peroxide
D. Hydrogen oxide
The cells which give support to the plant are:
A. Parenchymatous Cells
B. Parenchymatous cells
C. Collenchymatous cells
D. Sclerenchymatous cells
Which one of followings is described as the true wall?
A. Primary Wall
B. Middle lamella
C. Secondary wall
D. All these
Accidental cell death is called:
A. Apoptosis
B. Necrosis
C. Metastasis
D. Malignancy
Cytosol contains cytoskeletal fabric formed of:
A. Microtubules
B. Microfilaments
C. Intermediate filaments
D. All a, b, c
The spent energy is in the form of
A. ATP
B. ADP
C. NADPH
D. All of these