Biology Quiz 7
1 / 50
Which of the following is an example of ?molecule??
2 / 50
Most of the photosynthesis on earth is carried by__________?
3 / 50
In condition of high temperature, following does not occur or occurs at low level__________?
4 / 50
The respiratory problem most common in smokers is_________?
5 / 50
Stentor is a/an____________?
6 / 50
Far-red light promotes flowering in_______________?
7 / 50
Which of the following is the empirical formula of chlorophyll b?
8 / 50
Microspore of a seed plant that contain male gametophyte including the gamete is called_______________?
9 / 50
Sperms are _________ in origin.
10 / 50
Van neil hypothesis about the production of oxygen during phosynthesis was based on the study and investigations on___________?
11 / 50
An increrase in plant girth due to activity of _____________ is called secondary growth?
12 / 50
Number of spiracles present in the thorax of cockroach is___________?
13 / 50
Which one is a micromolecule__________?
14 / 50
Enzyme present in the saliva is_____________?
15 / 50
Animals living in the Tree trunks are known as___________?
16 / 50
Which of the following virus has special affiliations with the tumor production:
17 / 50
Which of the following statement about Homeostasis is incorrect?
18 / 50
Melanin pigment in cockroach is found in__________?
19 / 50
An antibody is made of _________ polypeptide chains?
20 / 50
Exact replica of chromosome refers to ___________?
21 / 50
Coelom is lined by__________?
22 / 50
Protein which acts as hormone is__________?
23 / 50
Strengthening material of prokaryotic cell wall is__________?
24 / 50
The increase in pH of blood has ________ effect on the oxygen carrying capacity of haemogolobin?
25 / 50
Which one of the following is avascular structure?
26 / 50
Antibodies play important role against microorganisms and other pathogens to which type of proteins do they belong________?
27 / 50
Density gradient centrifugation separates the materials on the basis of__________?
28 / 50
There are __________ types of nutrients needed by plants besides light to carry out photosynthesis
29 / 50
Which of the following is the smallest known virus:
30 / 50
How many liters of saliva inhale by a Human?
31 / 50
Which disease can be controlled by vaccination?
32 / 50
Intelligence is under the control of____________?
33 / 50
Cyanobacteria reproduce by____________?
34 / 50
In all plants the major sites of phosynthesis are___________?
35 / 50
Visible light used in photosynthesis ranges from:__________?
36 / 50
Who is Called the Father of Demography?
37 / 50
The bond formed when two or more atoms complete their electron shells by sharing electrons is called_____________?
38 / 50
Serum differs from blood in________?
39 / 50
Which of the followings is missing from the nervous system of planaria_____________?
40 / 50
With different chemical arrangements and formation Of complex molecules, the life emerges on the level of the ?
41 / 50
Gaseous exchange through the skin is known as ______________ respiration?
42 / 50
The first bacterium isolated was_________________?
43 / 50
Spores produced by slime molds are__________?
44 / 50
In which phase of cell cycle cell organelles are formed?
45 / 50
In bryophytes fertilization takes place in___________?
46 / 50
In animals coordination is achieved by means of_________?
47 / 50
Addition of salts and other solutes from other cells into xylem sap, __________ the water potential of the xylem sap
48 / 50
The first stage of development in which a cavity appears is the__________?
49 / 50
The simplest amino acid is_________?
50 / 50
Human body makes about 20 million erythrocytes in__________?
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