501.
Which of the following is the symptom of white rust disease of crucifers
A
Hypertrophy of floral axis
B
White blisters on the stem
C
White blisters on the leaf
D
All of the above
Answer :
All of the above
Discuss Question
No explanation is given for this question. Let's discuss the answer together.
502.
Which of the following cell could should exhibit a successful mating
A
F+ & HFr
B
F- & F-
C
HRr & HFr
D
F+ & F-
Answer :
F+ & F-
Discuss Question
No explanation is given for this question. Let's discuss the answer together.
503.
Deutermomycetes are called 'Imperfect fungi' as
A
They have no cell wall
B
No mycelium
C
No sexual reproduction
D
No asexual reproduction
Answer :
No sexual reproduction
Discuss Question
No explanation is given for this question. Let's discuss the answer together.
504.
The male gamete in albugo reaches to the female gamete by
A
Flagella
B
Fertilization tube
C
Swimming
D
Chemotaxis
Answer :
Fertilization tube
Discuss Question
No explanation is given for this question. Let's discuss the answer together.
505.
The medium of constants in food vacuole of Amoeba proteus is
A
First alkaline and then acidic
B
First acidic and then alkaline
C
Alkaline through
D
Acidic through
Answer :
First acidic and then alkaline
Discuss Question
No explanation is given for this question. Let's discuss the answer together.
506.
Sudden plasmolysis in bacteria is accompained by
A
Decrease of ATP level
B
Increase of TP level
C
Loss of ATP
D
Accumulation of PO4
Answer :
Increase of TP level
Discuss Question
No explanation is given for this question. Let's discuss the answer together.
507.
Binary fission in Amoeba occurs
A
When environment of favourable
B
Food is abundant
C
Temperature is suitable
D
Food abundant and temperature is suitable
Answer :
When environment of favourable
Discuss Question
No explanation is given for this question. Let's discuss the answer together.
508.
Which one of the following is not true about lichens?
A
Their body is composed of both algal and fungal cells
B
Some form food for reindeers in arctic regions
C
Some species can be used as pollution indicators
D
These grow very fast at the rate of about $$2\,cm$$ per year
Answer :
These grow very fast at the rate of about $$2\,cm$$ per year
Discuss Question
No explanation is given for this question. Let's discuss the answer together.
509.
The habitat of E.Coli is
A
Water
B
Colon (intestine)
C
Soil
D
Stomach
Answer :
Colon (intestine)
Discuss Question
No explanation is given for this question. Let's discuss the answer together.
510.
Sexual reproduction is spirogyra is
A
Isogamous
B
Anisogamous
C
Physiological anisogamous
D
Oogamous
Answer :
Physiological anisogamous
Discuss Question
No explanation is given for this question. Let's discuss the answer together.