1. In which of the following branches of science study of functions, characteristics, and phenomena observed in the living world and the application of this knowledge to world of machine is studied?
[A] Biometry
[B] Bionics
[C] Bionomy
[D] Bionomy
Show Answer
Correct Answer: B [Bionics]
Notes:
Bionics or biologically inspired engineering is the application of biological methods combined with engineering. It is that branches of science which studies the functions, characteristics, and phenomena observed in the living world and the application of this knowledge to world of machine.
2. Which among the following is closest to corals in terms of evolution of animals?
[A] Sea Cow
[B] Sea Horse
[C] Sea Lion
[D] Sea anemone
Show Answer
Correct Answer: D [ Sea anemone]
Notes:
Sea anemones, Corals, jellyfish, tube-dwelling anemones, and Hydra are members of Phylum Cnidaria.
3. Consider the following:
- Fungi
- Bacteria
- Algae
- Protozoa
Which of the above have eukaryotic cells?
[A] 3 & 4 Only
[B] 1, 3 & 4 Only
[C] 1 & 2 Only
[D] 1, 2, 3 & 4
Show Answer
Correct Answer: B [1, 3 & 4 Only]
Notes:
Eukaryotic cells are cells that contain nucleus and organelles surrounded by a circular membrane. The cells of Protozoa, Algae, Fungi, Plants and Animals are all eukaryotic while cells of bacteria are prokaryotic.
4. Anatomically, the beak of birds is equivalent of which of the following?
[A] Teeth
[B] Cheeks
[C] Jaws
[D] None of the above
Show Answer
Correct Answer: C [Jaws]
Notes:
The beak, bill or rostrum is an external anatomical structure of birds that is used for eating and for preening, manipulating objects, killing prey, fighting, probing for food, etc. All beaks are composed of two jaws, generally known as the upper mandible (or maxilla) and lower mandible (or mandible).
5. Entomology is associated with the study of which of the following?
[A] Behavior of human beings
[B] Insects
[C] The origin and history of technical and scientific terms
[D] The formation of rocks
Show Answer
Correct Answer: B [Insects]
Notes:
Entomology is the scientific study of insects, a branch of zoology. In the past the term “insect” was more vague, and historically the definition of entomology included the study of terrestrial animals in other arthropod groups or other phyla, such as arachnids, myriapods, earthworms, land snails, and slugs.
6. Which of the following does not hold true for Animal belonging to Phylum chordate?
[A] A post-anal part(tail) is present
[B] Notochord present
[C] Pharynx perforated by gill slits.
[D] Heart is dorsal(if present)
Show Answer
Correct Answer: D [Heart is dorsal(if present)]
Notes:
Chordata is a familiar phylum that includes organisms like mammals, fish, birds, reptiles, and amphibians (all vertebrates); sea squirts (tunicates); and lancelets (cephalochordates).
7. The temperature for pasteurisation of milk is selected so as to fulfil which among the following purposes?
[A] Kill the micro-organisms
[B] Kill all bacteria
[C] Store it for long time without coagulation
[D] Kill the micro organisms and other harmful bacteria
Show Answer
Correct Answer: D [Kill the micro organisms and other harmful bacteria]
Notes:
Pasteurization is the process of heating milk up and then quickly cooling it down to eliminate certain bacteria and all other microorganisms. More common is heating milk up to at least 161.6 degrees Fahrenheit for 15 seconds. There are following methods that are most commonly used:
• High Temperature, Short Time (HTST) method – This method requires that the milk be held at 161 degrees for 16 seconds.
• Ultra-Pasteurization (UP) – This is the type of pasteurization that you will most commonly see on cartons of milk, half-and-half and heavy cream.
8. Which organ is associated with the production of insulin in the human body?
[A] Pancreas
[B] Liver
[C] Kidney
[D] Heart
Show Answer
Correct Answer: A [Pancreas]
Notes:
Insulin is a hormone made by an organ located behind the stomach called the pancreas. It allows body to use sugar from carbohydrates in the food. Insulin helps keep blood sugar level from getting too high (hyperglycemia) or too low (hypoglycemia).
9. The highest fat content is found in the milk of which of the following animals?
[A] Buffalo
[B] Cow
[C] Camel
[D] Reindeer
Show Answer
Correct Answer: A [Buffalo]
Notes:
Buffalo milk has the highest fat content, which is on average twice as high as that of cow milk. The fat-to-protein ratio in buffalo milk is about 2:1.
10. The bats are able to fly in dark since their wings produce which of the following waves?
[A] Infrared rays
[B] Ultrasonic waves
[C] Sound waves
[D] Ultraviolet rays
Show Answer
Correct Answer: B [Ultrasonic waves]
Notes:
Bats can fly in dark because they. Bat echolocation is very much similar to a SONAR and is a perceptual system where ultrasonic sounds are emitted specifically to produce echoes.
