CuriousTab
Search
CuriousTab
Home
Aptitude
Computer
C Programming
C# Programming
C++ Programming
Database
Java Programming
Networking
Engineering
Biochemical Engineering
Biochemistry
Biotechnology
Chemical Engineering
Civil Engineering
Computer Science
Digital Electronics
Electrical Engineering
Electronics
Electronics and Communication Engineering
Mechanical Engineering
Microbiology
Technical Drawing
GK
Current Affairs
General Knowledge
Reasoning
Data Interpretation
Logical Reasoning
Non Verbal Reasoning
Verbal Ability
Verbal Reasoning
Exams
AIEEE
Bank Exams
CAT
GATE
IIT JEE
TOEFL
Jobs
Analyst
Bank PO
Database Administrator
IT Trainer
Network Engineer
Project Manager
Software Architect
Discussion
Home
‣
General Knowledge
‣
Biology
Comments
Question
Most fish do not sink in water because of the presence of
swim bladder
air bladder
air sacs
air in spongy bones
Options
A. I and II are correct
B. II and III are correct
C. III and IV are correct
D. I, II, III and IV are correct
Correct Answer
I and II are correct
Biology problems
Search Results
1.
Mycobacterium leprae
causes leprosy,
Corynebacterium diphtheria
causes diphtheria and
Vibrio comma
causes
Options
A. tetanus
B. influenza
C. cholera
D. typhoid
Show Answer
Scratch Pad
Discuss
Correct Answer: cholera
Explanation:
Vibrio cholerae (also Kommabacillus) is a gram negative comma-shaped bacterium with a polar flagellum that causes cholera in humans
2. Oxygen in our blood is transported by a protein named
Options
A. haemoglobin
B. keratin
C. collagen
D. myoglobin
Show Answer
Scratch Pad
Discuss
Correct Answer: haemoglobin
3. Potato is a modified form (outgrowth) of
Options
A. root
B. stem
C. fruit
D. leaf
Show Answer
Scratch Pad
Discuss
Correct Answer: stem
4. Plants that grow under average temperature and moisture are called
Options
A. halophytes
B. hydrophytes
C. mesophytes
D. xerophytes
Show Answer
Scratch Pad
Discuss
Correct Answer: mesophytes
5. Poison glands of snakes are homologous to
Options
A. electric organs of fishes
B. stings of rays
C. sebaceous glands of mammals
D. salivary glands of vertebrates
Show Answer
Scratch Pad
Discuss
Correct Answer: salivary glands of vertebrates
6. Plants developing in dry conditions are
Options
A. xerophytes
B. mesophytes
C. lithophytes
D. hydrophytes
Show Answer
Scratch Pad
Discuss
Correct Answer: xerophytes
7. Plants growing on sand are called as
Options
A. chasmophytes
B. oxylophytes
C. lithophytes
D. psammophytes
Show Answer
Scratch Pad
Discuss
Correct Answer: psammophytes
8. Number of chromosomes in Down's syndrome is
Options
A. 46
B. 47
C. 48
D. 49
Show Answer
Scratch Pad
Discuss
Correct Answer: 47
9. Photosynthesis takes place faster in
Options
A. yellow light
B. white light
C. red light
D. darkness
Show Answer
Scratch Pad
Discuss
Correct Answer: white light
10. Placenta is the structure formed
Options
A. by the union of foetal and uterine tissue
B. by foetus only
C. by fusion of germ layers
D. None of these
Show Answer
Scratch Pad
Discuss
Correct Answer: by the union of foetal and uterine tissue
Comments
There are no comments.
Enter a new Comment
Save
More in General Knowledge:
Animals and Birds
Basic General Knowledge
Biology
Books and Authors
Business Awareness
Chemistry
Computer
Country Capitals
Days and Years
English
Famous Personalities
Famous Places
General Science
Honours and Awards
Indian Culture
Indian Economy
Indian Geography
Indian History
Indian Politics
Inventions
Longest Shortest Deepest
Physics
Sports
Technology
World History
World Geography
World Organizations