Biology Quiz 21
1 / 50
The liquid that escapes during defrosting frozen meat contains _____ bacteria?
2 / 50
The greatest diversity of animals in the lake is found in which one of the following zones?
3 / 50
PS I has chlorophyll a molecule which absorbs maximum light of _________ nm ?
4 / 50
ATP is a an important molecule for its major function___________?
5 / 50
Golden brown colour of diatoms is due to presence of__________?
6 / 50
Ferns are included in__________?
7 / 50
Organisms of which of the following kingdom have absorptive mode of nutrition______________?
8 / 50
Amoeboid movements and movement of cyclosis is due to_________?
9 / 50
Which of the following organ is responsible for blood filtration:
10 / 50
Humans can hear in the range of ______ to _______Hertz (Hz).?
11 / 50
Rich source of energy in seimen is__________?
12 / 50
Muscle fatigue occurs due to accumulation of___________?
13 / 50
Which is an organic compound found in most cells ?
14 / 50
The main nitrogenous waste formed in the body of earthworm is/are___________?
15 / 50
Adult birds normally possess only one functional____________?
16 / 50
The name animal is derived from the word__________?
17 / 50
A joint formed between humerus, radius and ulna is an example of__________?
18 / 50
Which of the following are connective tissues?
19 / 50
Which one is not correct for a productive theory?
20 / 50
All of the following are involved in nitrification except
21 / 50
If a man having blood group AB marries a woman who is heterozygous for blood group, what is the probability of their first child having blood group B?
22 / 50
Which of the following are proteins in nature?
23 / 50
The type of learning in which there is loss or decrease in response to repeated stimuli?
24 / 50
In Urea cycle __________ ammonia molecules combine with 1 CO2 molecule to form 1 molecule of urea.
25 / 50
Conversion of ammonia or ammonium ion into nitrites during nitrogen cycle occurs due_____________?
26 / 50
A genome is___________?
27 / 50
Percentage of CO2 carried as carboxyhaemoglobin is_________?
28 / 50
Pick the odd one out
29 / 50
Which of the following statement about fatigue is correct?
30 / 50
Biological molecules (proteins) which catalyze a biochemical reaction and remain unchanged after completion of reaction are called_____________________?
31 / 50
60S and 40S subunit combine to form ________ particle.
32 / 50
The hepatic portal vein drains blood to liver from___________?
33 / 50
Amphibians are considered to be evolved from___________?
34 / 50
A decrease in the rate of beating of heart is called__________?
35 / 50
The basic structural unit of a chromosome is____________?
36 / 50
Mycorrhizae are found in about__________vascular plants?
37 / 50
S-band locomotion is characteristically seen in___________?
38 / 50
BOD refers to the __________?
39 / 50
Maintenance of normal resting potential via movement of K+ inside the cell and na+ out is a/an ___________ process?
40 / 50
Equistem is an example of___________?
41 / 50
Secondary cell wall of sclerenchyma cells is impregnated with_________________?
42 / 50
The first action spectrum was obtained by___________?
43 / 50
Masses of dilated tortuous veins in the anorectal mucosa are known as___________?
44 / 50
Vaccine was first developed by_______________?
45 / 50
Malonic acid is an example of____________?
46 / 50
Dipeptides into amino acids are are converted through_____________?
47 / 50
Which of the following bacteria do not have flagella commonly__________?
48 / 50
Tobacco mosaic virus is__________?
49 / 50
Which of the following organisms have Chitin as a major structural component of their cell wall________________?
50 / 50
Alternation of generations is absent in___________?
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