Biology Quiz 5
1 / 50
Number of cells that are destroyed in adults by apoptosis are ________ ?
2 / 50
Which of the following have thickest walls?
3 / 50
Which of the following animals has a respiratory system with one way flow of the air through the lungs, and the air is renewed after inspiration?
4 / 50
mitochondria in heart muscles are nearly_____________?
5 / 50
An unbroken series of species arranged in ancestors to descendent sequence with each later species having evolved from one that immediately preceded it is called?
6 / 50
Both radial and bilateral symmetry is found in the phylum____________?
7 / 50
The first cell of the sporophyte generation is______________?
8 / 50
Which of the following impart a red colour to Rose petals?
9 / 50
Which of the following are responsible for the detection of changes in environment?
10 / 50
The maximum amount of oxygen which normal human blood absorbs and carries at sea level is ________ per 100 ml of blood.
11 / 50
Biological organization is_____________?
12 / 50
A series of hypothesis supported by the results of many tests is called ?
13 / 50
Shrinkage of protoplast due to exosmosis of water is__________?
14 / 50
Which of the following animal uses Setae and Muscles for their Iocomotion?
15 / 50
E. coli and example of entrobacteriace is important for causing diarrheal diseases its size is____________?
16 / 50
Which step causes activation of catalytic site of an enzyme__________________?
17 / 50
A fracture hematoma has____________?
18 / 50
Which of the following bones are present in pectoral girdle?
19 / 50
Parabronchi are present in__________?
20 / 50
The first ever vascular plants are_________?
21 / 50
Carotenoids perform protective function in_____________?
22 / 50
Thermostat of human body is present in__________?
23 / 50
Who coined the term CELL?
24 / 50
The number of species of organisms currently known to science is?
25 / 50
Which of the following is the correct sequence in the biological method?
26 / 50
Pigment present in red algae is_____________?
27 / 50
The chloroplasts of diatoms and chrysophycean algae do not possess____________?
28 / 50
Brown algae are also known as___________?
29 / 50
Which of the following step occurs immediately after binding of Ca2+ with troponin molecule during muscle contraction.
30 / 50
The higher animals have special organs for exchange of gases as their skin is ___________ ?
31 / 50
Cytoplasmic strands that extend through pores in adjacent cell walls are known as___________?
32 / 50
in animals meiosis produces____________?
33 / 50
Who opposed the idea the cell is an empty space bounded by thick wall?
34 / 50
Which of the following statement about eiliates in incorrect_____________?
35 / 50
More than ___________ compounds of tar of tobacco smoke are involved to cause cancer?
36 / 50
Percentage of proteins in cell membrane is____________?
37 / 50
The contraction of which of the following muscle fibers, is controlled by hormones?
38 / 50
In life cycle of Pinus megaspores produced by megasporangium divide into 4 megaspores by__________________?
39 / 50
Acetabularia is a kind of __________ ?
40 / 50
Which one is not correct for a productive theory________?
41 / 50
Competition between species will be greatest if they attempt to occupy the same___________?
42 / 50
The study of fossils is called?
43 / 50
Hydra has___________?
44 / 50
Which type of sensory structures carry deep pressure and vibration sensations______________?
45 / 50
Which of the following statement about filicinae a group of tracheophytes is incorrect_________________?
46 / 50
What is the characteristic feature of consumers?
47 / 50
Which of the following statement is incorrect about Glyoxisomes?
48 / 50
The normal pH of human blood is____________?
49 / 50
NADPH2 provides___________?
50 / 50
An activated enzyme consisting of polypeptide chain and a cofactor is called_______________?
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