General Science Biology Questions
21. Equisetum is an example of__?
[A] Bryophytes
[B] Pteridophytes
[C] Gymnosperms
[D] None of these
[B] Pteridophytes
Notes:
Equisetum is an example of pteridophytes. Hornworts, liverworts, and mosses are all examples of bryophytes. Cycas, pinus, Thuja, Cedrus, Abies, Larix are some of the examples of gymnosperms.
22. Which of the following is not a characteristic of leaves?
[A] Leaf arises from the node
[B] It is exogenous in origin
[C] It has a bud at its axis
[D] Produce diaspores without fertilization
[D] Produce diaspores without fertilization
Notes:
Characteristics of leaves: The leaf emerges from the node, it is exogenous in origin, has a bud on its axis, the growth of the leaf is limited, the leaves do not have an apical bud.
23. Which plant tissue is the only tissue with the highest refractive index due to the presence of pectin?
[A] Sclerenchyma
[B] Collenchyma
[C] Parenchyma
[D] Laticiferous
B [Collenchyma]
Notes:
Collenchyma tissue is the only tissue with the highest refractive index due to the presence of pectin.
24. Downy mildew disease is caused by which of the following?
[A] Fungus
[B] Bacteria
[C] Virus
[D] None of these
[A] Fungus
Notes:
Downy mildew disease is caused by fungus (Pseudoperonospora cubensis). Downy mildew can infect all cucumbers, including cucumbers, melons, pumpkins, and squash.
25. Which characters are not typical to class mammalia?
[A] Alveolar lungs
[B] Seven cervical vertebrae
[C] Thecodont dentition
[D] Ten pairs of cranial nerves
[D] Ten pairs of cranial nerves
Notes:
Alveolar lungs, Seven cervical vertebrae, and Thecodont dentition are characters of class Mammalia whereas Anamniotes have 10 pairs of cranial nerves.
26. The scientific name of peacock is _________.
[A] Pavo cristatus
[B] Gallus gallus
[C] Columbia livia
[D] None of these
[A] Pavo cristatus
Notes:
The scientific name of the peacock is Pavo cristatus. Columbia Livia is the scientific name of rock dove, rock pigeon, or common pigeon.
27. Which one has a poison gland?
[A] Male platypus
[B] Scoliodon
[C] Rat snake
[D] Wall lizard
[A] Male platypus
Notes:
The male platypus has a spur on the inner side of each ankle that is connected to a poison gland located on top of the thighbone.
28. Which of the following is found in the cells lining blood vessels?
[A] Columnar epithelium
[B] Connective tissue
[C] Squamous epithelium
[D] Smooth muscle tissue
[C] Squamous epithelium
Notes:
Squamous epithelium is found in the cells lining blood vessels. It is composed of epithelial cells that are distinctively flat and scale-like.
29. What does your thalamus control?
[A] Motor activity
[B] Emotion
[C] Controls your hormone system
[D] Both 1 and 2
[D] Both 1 and 2
Notes:
Motor activity, emotion, memory, arousal, and other sensorimotor association functions are controlled by the thalamus.
30. The auditory nerve carries _____.
[A] Smell information
[B] Taste information
[C] Balance information
[D] Sound information
[D] Sound information
Notes:
The auditory nerve carries sound information. The acoustic nerve is a sensory nerve essential for hearing. It is also called cochlear nerve.