TNPSC Biology - The Living World and Pathology
Exam Duration: 45 Mins Total Questions : 30
Consider the following statements
1. Tapeworm is hermaphrodite
2. Roundworm has separate sexes.
3. Filaria is caused by a nematode.
4. Guines worm is an annelid.
Which of the statements given above are correct?
- (a)
1 and 2
- (b)
1, 2 and 3
- (c)
3 and 4
- (d)
2, 3 and 4
Which of the following will form a new species?
- (a)
Interbreeding
- (b)
Random mating
- (c)
Connecting links
- (d)
Variations
Consider the following statements
1. Chlorella is component of sewage oxidation tank.
2. Chlorella produces food rich in vitamins, proteins, etc.
3. Chlorella used prolonged space flight for food O2 disposed of CO2
4. Chlorella yields antibiotic chlorellin.
Which of the statements given above are correct about Chlorella?
- (a)
1, 2, 3 and 4
- (b)
1, 2 and 3
- (c)
1 and 3
- (d)
1 and 2
Consider the following diseases
1. Cholers
2. Tuberculosis
3. Filaria
4. Typhoid
Which of the above diseases are caused by bacteria?
- (a)
1 and 3
- (b)
2 and 4
- (c)
1, 3 and 4
- (d)
1, 2 and 4
Consider the following statements
1. Anabaena shows symbiotic association with Azolla and Cycas.
2. Nostoc shows symbiotic asociation with Anthoceros and Cycas.
Which of the above is/are true?
- (a)
Only 1
- (b)
Only 2
- (c)
1 and 2
- (d)
All of these
Jacobson's organs (concerned with smell) present in class
- (a)
Amphibia
- (b)
Reptilia
- (c)
Pisces
- (d)
Aves
Which of the following are cold-blooded animals?
- (a)
Fish
- (b)
Frog
- (c)
Wall lizard
- (d)
All of these
The gastrointestinal hormones namely secretin and cholecystokinin secreted by duodenal epithelium activate respectively which organs to discharge their secretions?
- (a)
Pancreas and gall bladder
- (b)
Gall bladder and stomach
- (c)
Pancreas and stomach
- (d)
Stomach and small intestine
Which of the following is monogamous?
- (a)
Wolf
- (b)
Walrus
- (c)
Seal
- (d)
Deer
Which of the following disease of milching animals are infectious?
1. Foot and mouth disease
2. Anthrax
3. Black quarter
4. Cow pox
Select correct answer using the using the codes given below
- (a)
1, 2 and 3
- (b)
2, 3 and 4
- (c)
1 and 4
- (d)
1, 2, 3 and 4
AIDS virus contain
- (a)
single stranded RNA
- (b)
double stranded RNA
- (c)
single stranded DNA
- (d)
double stranded DNA
The biological species concept of organisms is based on
- (a)
Morphological traits
- (b)
Evolutionary traits
- (c)
Reproductive isolation
- (d)
Geographical isolation
Consider the following statements
1. A structure common to both earthworm and cockroach is ventral nerve cord.
2. Young of a cockroach is called nymph.
Which of the statement(s) given above is/are true?
- (a)
Only 1
- (b)
Only 2
- (c)
1 and 2
- (d)
None of the above
Match List I with List II and select the correct answer using the codes given below the lists.
List I | List II |
Buruli ulcer | Bacteria |
Chikugunya | Virus |
Athlete's foot | Fungi |
Giardiasis | Protozoa |
- (a)
A B C D 4 1 2 3 - (b)
A B C D 3 4 1 2 - (c)
A B C D 2 3 4 1 - (d)
A B C D 1 2 3 4
Which of the following vector spreads the kala-azar in human beings?
- (a)
Mosquito
- (b)
Sand fly
- (c)
House fly
- (d)
Ticks
Which of the following is warm-blooded animal?
- (a)
Shark
- (b)
Snake
- (c)
Bat
- (d)
Llizard
The classification of Engler and Pranti is one which is based on
- (a)
Morphology of organisms
- (b)
Utilitarian system
- (c)
Habits of organisms
- (d)
Common evolutionary descent
Wall lizard creep over the vertical wall and ceiling with the help of
- (a)
Sucker found in mouth
- (b)
Claw present on their digits
- (c)
Adhesive pad found on their digits
- (d)
Ventral side of body is adhesive
Consider the following statements
1. Swine flu is also called swine influenza, pig influenza caused by swine influenza viruses.
2. Swine flu infection caused by swine influenza viruses.
3. Swine flu is transmitted from person to person by inhalation or ingestion of droplets containing virus from people sneezing or coughing.
4. It is not spread by eating cooked pork product.
Which of the statements given above are correct about swine flu?
- (a)
1, 2, 3 and 4
- (b)
1, 2 and 3
- (c)
1, 2 and 4
- (d)
1, 3 and 4
Assertion (A) In Amoeba, the interchange of gasses takes place through the general body surface.
Reason (R) The excess water to Amoeba is controlled by contractile vacuole.
- (a)
Both A and R are true and R is the correct explanation of A
- (b)
Both A and R are true, but R is not the correct explanation of A
- (c)
A is true, but R is false
- (d)
A is false, but R is true
Which of the following groups contains only true fishes?
- (a)
Trygons, torpedos, whales, sharks
- (b)
Perch, torpedos, sharks, trygons
- (c)
Silverfish, jellyfish, Sharks
- (d)
Lung fishes, silver fish, jelly fish
Consider the following statements.
1.Frogs can breathe by lungs as well as skin
2. Gills are presented in certain stages of life span of frogs.
Which of the statements given above is/are correct?
- (a)
Only 1
- (b)
Only 2
- (c)
1 and 2
- (d)
Neither 1 nor 2
Which among the following is a protist?
- (a)
Entamoeba
- (b)
Rhizopus
- (c)
Chlorella
- (d)
All of these
In the context of Indian wildlife, the flying fox is a
- (a)
Bat
- (b)
Kite
- (c)
Stork
- (d)
Vulture
Consider the following statements
1.Roundworm comes under phylum-Nemathelminthes
2. Disease caused by Ascarisen in human is ascariasis.
3. Ascaris is found in the intestine of man.
Which of the statements given above are correct?
- (a)
1 and 2
- (b)
2 and 3
- (c)
1, 2 and 3
- (d)
None of these
The most common endoparasite of small intestine, usually found in children is
- (a)
Ascaris lumbricoides
- (b)
Taenia solium
- (c)
Taenia saginata
- (d)
Fasciola hepatica
Consider the following statements
1. Basic unit of taxonomy is species.
2. Beentham and Hooker proposed natural system of classification of seed plants.
3. Carolus Linnaeus gave binomial nomenclature.
Which of the above is/are correct?
- (a)
Only 1
- (b)
1 and 2
- (c)
2 and 3
- (d)
All of these
Study the following statements
1. Euglena is connecting link between plants and animals.
2. Locomotory organs are pseudopodia in Amoeba.
3. Plasmodium is an intracellular blood parasite.
Which of the statements given above are correct?
- (a)
1 and 3
- (b)
1 and 2
- (c)
1, 2 and 3
- (d)
None of these
Match List I with List II and select the correct answer using the codes given below the lists.
List I | List II |
A. Fasciola | 1. Liver fluke |
B. Schistosoma | 2. Blood fluke |
C. Echinococcus | 3. Pork tapeworm |
D. Taenia solium | 4. Dog tapeworm |
- (a)
A B C D 1 2 4 3 - (b)
A B C D 2 4 3 1 - (c)
A B C D 4 3 1 2 - (d)
A B C D 3 1 3 4
Consider the following minerals
1. Calcium 2. Iron
3. Sodium
Which of the minerals given above is/are required by human body for the contraction of muscles?
- (a)
Only 1
- (b)
2 and 3
- (c)
1 and 3
- (d)
All of these