Options:
- A. Azobacter
- B. Nitrosomonas
- C. Campylobacter
- D. Nitrobacter
View Answer
C. Campylobacter
Biology
Midgut in cockroach is a short narrow tube called____________?
Options:
- A. Hepatic caeca
- B. Gizzard
- C. Stomach
- D. Rectum
View Answer
C. Stomach
How many species of ascomycota occur in lichen symbiotic association?
Options:
- A. 30%
- B. 40%
- C. 50%
- D. 60%
View Answer
C. 50%
Mycorrhizae are found in about__________vascular plants?
Options:
- A. 90%
- B. 95%
- C. 98%
- D. 96%
View Answer
B. 95%
The most important group of producers in marine ecosystem is of__________?
Options:
- A. Diatoms
- B. Euglenoids
- C. Dinoflagellates
- D. Brown algae
View Answer
A. Diatoms
In which of the following pigments major energy reserves and cell wall are like plants?
Options:
- A. Rhodophyta
- B. Chlorophyta
- C. Phaeophyta
- D. Chrysophyta
View Answer
B. Chlorophyta
Cyanobacteria reproduce by____________?
Options:
- A. Binary fission
- B. Mitosis
- C. Meiosis
- D. Conjugation
View Answer
A. Binary fission
In living organisms the lubricant which provides protection against damage resulting from friction is___________?
Options:
- A. Carbohydrates
- B. Fatty acid
- C. Water
- D. Protein
View Answer
C. Water
Most of the cellular secretions are ________ in nature?
Options:
- A. Glycolipids
- B. Glycoproteins
- C. Nucleohistones
- D. Proteins
View Answer
B. Glycoproteins
Those organisms which can prepare their own food from simple inorganic material and can store energy are called___________?
Options:
- A. Autotrophs
- B. Heterotrophs
- C. Procariotique
- D. Eu-cariotique
View Answer
A. Autotrophs