1. Amflora is a genetically modified ______?
[A] Rose
[B] Potato
[C] Lotus
[D] Tomato
Show Answer
Correct Answer: B [Potato]
Notes:
Amflora which is also known as EH92-527-1 is a genetically modified potato cultivar developed by BASF Plant Science. It is developed to produce a specific natural starch (amylopectin) needed for industrial applications.
2. Which among the following is not a beverage plant?
[A] Camellia sinensis
[B] Theobroma cacao
[C] Coffea Arabica
[D] Alonsoa grandiflora
Show Answer
Correct Answer: D [Alonsoa grandiflora]
Notes:
Alonsoa grandiflora is an ornamental plant
3. Which among the following is true attribute to Polar bear?
[A] Herbivore
[B] Omnivore
[C] Carnivore
[D] Marsupial
Show Answer
Correct Answer: C [Carnivore]
Notes:
Please note that Polar Bear is the largest land carnivore animal, weighing about 350 to 700 kgs.
Kodiak bear which is also of same size is a Omnivore
4. Which among the following indicates Vitamin B12?
[A] Niacin
[B] Pyridoxine
[C] Cobalamine
[D] Thiamine
Show Answer
Correct Answer: C [Cobalamine]
Notes:
Cobalamine indicates Vitamin B12. It is a water-soluble vitamin and plays an essential role in the production of your red blood cells and DNA, as well as the proper functioning of our nervous system.
5. For respiration in deep sea, divers use mixture of:
[A] Oxygen and helium
[B] Oxygen and hydrogen
[C] Oxygen and carbon dioxide
[D] Oxygen, Helium & nitrogen
Show Answer
Correct Answer: D [Oxygen, Helium & nitrogen]
6. Which of the following organisms is not a mollusc?
[A] Octopus
[B] Snail
[C] Oyster
[D] Starfish
Show Answer
Correct Answer: D [Starfish]
Notes:
- Octopus: Octopuses belong to the class Cephalopoda within Phylum Molluska. Cephalopoda is a group of highly evolved, predatory marine animals. While they share some common ancestors with mollusks, they have distinct characteristics such as a complex nervous system, a beak-like mouth, and tentacles equipped with suckers.
- Snail: Snails are indeed mollusks. They are part of the class Gastropoda within the phylum Mollusca. Snails have a coiled shell and a soft body.
- Oyster: Oysters are also mollusks. They belong to the class Bivalvia within the phylum Mollusca. Oysters are characterized by their two hinged shells and are known for their filter-feeding lifestyle.
- Starfish: Starfish, also known as sea stars, are not mollusks. They belong to the phylum Echinodermata, and they have a completely different body plan and structure compared to mollusks. Starfish have radial symmetry and a unique water vascular system that helps them move and feed.
7. Who coined the term “Tissue culture”?
[A] Montrose Thomas Burrows
[B] Jack Kevorkian
[C] Charles Scott Sherrington
[D] Ludvig Hektoen
Show Answer
Correct Answer: A [Montrose Thomas Burrows]
Notes:
Tissue culture is the growth of tissues or cells in an artificial medium separate from the organism. It refers to the culture of animal cells and tissues, with the more specific term plant tissue culture being used for plants. The term “tissue culture” was coined by American pathologist Montrose Thomas Burrows.
8. Which movements of “Touch me not plant” lead to closing of its leaves when touched?
[A] Nyctinastic movements
[B] Seismonastic movements
[C] Chemonastric movements
[D] Photonastic movements
Show Answer
Correct Answer: B [Seismonastic movements]
Notes:
Seismonastic Movement is caused by the mechanical stimuli like shock, touch, fast moving wind, etc. Mimosa pudica is a perennial herb which is also known as the touch me not plant or the sensitive plant, is well-known for closing its leaves (or folding its leaves inwards) when touched.
9. Which one of the following creatures has maximum number of ribs?
[A] Ray fish
[B] Flying mammal
[C] Snake
[D] Crocodile
Show Answer
Correct Answer: C [ Snake ]
Notes:
Snakes have the maximum number of ribs. On an average they have 200 to 400 bones (Vertibrae ) and each have a pair of ribs on either side.
10. In which of the following part of the cell does the pyruvic acid is broken down into carbon dioxide, water and energy?
[A] Mitochondria
[B] Chloroplast
[C] Nucleus
[D] Cytoplasm
Show Answer
Correct Answer: A [Mitochondria]
Notes:
In Mitochondria, pyruvic acid is broken down into carbon dioxide, water and energy.
