90
Q:

Some species of which of the below kinds of organisms are employed as biopesticides?

1.Bacteria          2. Fungi       3. Flowering plants

A) 1 only B) 2 and 3 only
C) 1 and 3 only D) 1, 2 and 3

Answer:   A) 1 only



Explanation:
Subject: Biology
Q:

Melvin calvin got Noble Prize for his studies on

A) Light reaction B) Plant hormones
C) Carbon fixation D) Photons
 
Answer & Explanation Answer: C) Carbon fixation

Explanation:
Report Error

View Answer Report Error Discuss

Filed Under: Biology

5 2339
Q:

Blood pressure is measured with

A) Thermometer B) Barometer
C) Sphygmomanometer D) Lactometer
 
Answer & Explanation Answer: C) Sphygmomanometer

Explanation:
Report Error

View Answer Report Error Discuss

Filed Under: Biology

13 4651
Q:

The valve present between left auricle and left ventricle is

A) Mitral B) Tricuspid
C) Semilunar D) Pulmonary
 
Answer & Explanation Answer: A) Mitral

Explanation:
Report Error

View Answer Report Error Discuss

Filed Under: Biology

23 4431
Q:

The rate of respiration per minute in a new born baby

A) 18 times B) 32 times
C) 26 times D) 16 times
 
Answer & Explanation Answer: B) 32 times

Explanation:
Report Error

View Answer Report Error Discuss

Filed Under: Biology

6 2243
Q:

In plants, exchange of gases takes place through

A) Stomata B) Palisade tissue
C) Spongy tissue D) mid rib
 
Answer & Explanation Answer: A) Stomata

Explanation:
Report Error

View Answer Report Error Discuss

Filed Under: Biology

48 6807
Q:

karl Landsteiner discovered

A) Blood corpuscles B) Blood groups
C) Blood vessels D) Proteins in Blood
 
Answer & Explanation Answer: B) Blood groups

Explanation:
Report Error

View Answer Report Error Discuss

Filed Under: Biology

12 4341
Q:

Total salt content in blood is about

A) 1.85 to 1.9% B) 11.85 to 11.9%
C) 2.85 to 2.9% D) 0.85 to 0.9%
 
Answer & Explanation Answer: D) 0.85 to 0.9%

Explanation:
Report Error

View Answer Report Error Discuss

Filed Under: Biology

94 10588
Q:

In electro - magnetic radiation, which of the following has greater wave - length than visible light

A) Ultra -violet rays B) Infra - red rays
C) Cosmic rays D) x-rays
 
Answer & Explanation Answer: B) Infra - red rays

Explanation:
Report Error

View Answer Report Error Discuss

Filed Under: Biology

7 2802