11. The study of living organisms in relation to other organisms and their environment is known as__?
[A] Ecology
[B] Evolution
[C] Ethology
[D] Ethnology
Show Answer
Correct Answer: A [Ecology]
Notes:
Ecology is a branch of science, which includes anthropology, population, community, ecosystem and biosphere. Ecology is the study of organisms, the environment, and how organisms interact with each other and with their environment.
12. Who is considered the “Father of Indian Bryology?
[A] Prof. K.C. Mehta
[B] Prof. D.D. Pant
[C] Prof. S.R. Kashyap
[D] Prof. P.N. Mehra
Show Answer
Correct Answer: C [Prof. S.R. Kashyap]
Notes:
Prof. S.R. Kashyap is considered the “Father of Indian Bryology” due to his research on Bryophyta especially from the Himalayan region.
13. Which of the following is wrong for bryophytes?
[A] Vascular tissue lacking clear
[B] Independent sporophyte absent clear
[C] Gametophyte reduced and dependent done
[D] Asexual reproduction by zoospores absent
Show Answer
Correct Answer: C [Gametophyte reduced and dependent done]
Notes:
The main plant of Bryophyta is the gametophyte. The gametophytic stage is independent.
14. Megasporangium in Gymnosperms is also called as__?
[A] Macrosporangiate
[B] Nucellus
[C] Microsporangium
[D] Male strobili
Show Answer
Correct Answer: B [Nucellus]
Notes:
Megasporangium in Gymnosperms is also called Nucellus. Megasporangium is the structure in certain spore-bearing plants in which the megaspores are formed.
15. Which of the following is the formation of male and female gametes?
[A] Gametogenesis
[B] Gamete transfer
[C] Megasporogenesis
[D] Microgametogensis
Show Answer
Correct Answer: A [Gametogenesis]
Notes:
Gametogenesis is the formation of male and female gametes while Gamete transfer brings the male and female gametes together.
16. Where was the first reported rusting of coffee in 1868?
[A] Brazil
[B] Ceylon
[C] India
[D] Indonesia
Show Answer
Correct Answer: B [Ceylon]
Notes:
Rusting of coffee was first reported in Sri Lanka (then Ceylon) in 1868. Coffee leaf rust is caused by the fungus Hemileia vastatrix.
17. Which are the most advanced mollusks classes?
[A] Monoplacophora
[B] Gastropoda
[C] Amphineura
[D] Cephalopoda
Show Answer
Correct Answer: A [Monoplacophora]
Notes:
Monoplacophora is the most advanced mollusks class. The main characteristics of Monoplacophora include small, deep sea, almost bilaterally symmetrical, and have an undivided arch shell.
18. The common Indian bullfrog is__
[A] Rana tigrina
[B] Rana esculenta
[C] Rana silvatica
[D] Rana cyanophlyctis
Show Answer
Correct Answer: A [Rana tigrina]
Notes:
The common Indian bullfrog is Rana tigrina. Species of the Indian bullfrog inhabit the wetlands of South and Southeast Asia, living in holes and thickets close to permanent water.
19. What is the appearance of the most advanced character in a crocodile?
[A] Powerful jaws
[B] Shelled eggs
[C] Thecodont dentition
[D] Four chambered heart
Show Answer
Correct Answer: D [Four chambered heart]
Notes:
The four-chambered heart is the most advanced character in a crocodile which makes them different from other reptiles. The four-chambered heart is characteristic of the mammalian class. The presence of this type of heart makes crocodiles similar to mammals.
20. The order Cetacea includes which of the following group?
[A] Monkey, gorilla, and man
[B] Cat, dog, wolf, and lion
[C] Whale, dolphin, and porpoise
[D] Hippopotamus, pig and giraffe
Show Answer
Correct Answer: C [Whale, dolphin, and porpoise]
Notes:
Cetaceans are aquatic mammals that constitute the infra-order Cetacea, including whales, dolphins, and porpoises.