Q. No.Chrysophytes:
I.
include diatoms and desmids
II.
are found only in marine water
III.
are planktonic
1. Only I and II are correct
2. Only I and III are correct
3. Only II and III are correct
4. I, II and III are correct
2. Only I and III are correct
3. Only II and III are correct
4. I, II and III are correct
To unlock all the explanations of this course, you need to be enrolled.
To unlock all the explanations of this course, you need to be enrolled.
In the symbiotic relation lichen, the mycobiont does not:
1. prepare food for the other partner
2. provide shelter to the other partner
3. absorb mineral nutrients for the other partner
4. absorb water for the other partner
To unlock all the explanations of this course, you need to be enrolled.
To unlock all the explanations of this course, you need to be enrolled.
Potato Spindle Tuber Disease is caused by a pathogen that is:
| 1. | A nucleocapsid |
| 2. | A low molecular weight free RNA |
| 3. | An abnormally folded protein |
| 4. | A protozoan |
To unlock all the explanations of this course, you need to be enrolled.
To unlock all the explanations of this course, you need to be enrolled.
Prion is:
1. A nucleocapsid
2. A low molecular weight free RNA
3. An abnormally folded protein
4. A protozoan
To unlock all the explanations of this course, you need to be enrolled.
To unlock all the explanations of this course, you need to be enrolled.
Identify the incorrectly matched pairs:
I. Louis Pasteur: Gave the name virus
II. D. J Ivanowsky: Recognized the causal agents of mosaicism in tobacco to be larger than bacteria
III. M. W. Beijerinek: Contagium vivum fluidum
IV. W. M. Stanley: Discovered HIV
| 1. | I and III | 2. | I and II |
| 3. | III and IV | 4. | II and IV |
To unlock all the explanations of this course, you need to be enrolled.
To unlock all the explanations of this course, you need to be enrolled.
Which of the following is not a characteristic of dinoflagellates?
| 1. | Mostly fresh water and photosynthetic |
| 2. | Cell wall with stiff cellulosic plates |
| 3. | Two flagella |
| 4. | Various colored pigments in the cell |
To unlock all the explanations of this course, you need to be enrolled.
To unlock all the explanations of this course, you need to be enrolled.
To unlock all the explanations of this course, you need to be enrolled.
To unlock all the explanations of this course, you need to be enrolled.
The chief producers in the oceans are:
| 1. | Floating hydrophytes | 2. | Blue green algae |
| 3. | Desmids | 4. | Diatoms |
To unlock all the explanations of this course, you need to be enrolled.
To unlock all the explanations of this course, you need to be enrolled.
Deuteromycetes are also called as Fungi imperfecti because:
1. They do not have a thalloid body
2. They can contain chlorophyll
3. There are no parasitic members
4. Sexual phases are not known
To unlock all the explanations of this course, you need to be enrolled.
To unlock all the explanations of this course, you need to be enrolled.
A ‘dikaryon’ stage is seen in the members of:
1. Ascomycetes and Phycomycetes
2. Ascomycetes and Basidiomycetes
3. Basidiomycetes and Phycomycetes
4. Basidiomycetes and Deuteromycetes
To unlock all the explanations of this course, you need to be enrolled.
To unlock all the explanations of this course, you need to be enrolled.
© 2024 GoodEd Technologies Pvt. Ltd.