Biology (AIPMT)
Objective type biology questions covering genetics, botany, zoology, and ecology for AIPMT preparation
Questions
Which type of biodiversity tends to be the highest near the equator?
- Genetic biodiversity
- Terrestrial biodiversity
- Species biodiversity
- Ecosystem biodiversity
- Community biodiversity
Choose the phenomenon in which an organism escapes by resembling others.
- Adaptation
- Homology
- Analogy
- Mimicry
- Darwinism
The study of terrestrial animals in other arthropod groups is known as
- pedology
- geology
- pathology
- hydrology
- entomology
In RNA, thymine is replaced by which one of the following base pairs?
- Adenine
- Guanine
- Uracil
- Thymine
- DNA
In 1961, the two French microbiologists Francois Jacob and Jacques Monod at Pasteur Institute, Paris proposed a mechanism called
- One gene-one enzyme hypothesis
- Operon hypothesis
- Central dogma reverse
- Genomics
- Semiconservative hypothesis
Sansevieria is an example of
- cuttings
- layering
- air layering
- mound layering
- grafting
The branch of zoology concerned with the study of amphibians is
- herpetology
- saurology
- ornithology
- palaeontology
- mammalogy
What is the life span of Sequoia (Redwood tree)?
- 3000 - 4000 years
- 2000 - 3000 years
- 500 years
- 11,300 years
- 200 years
The type of fertilisation that occur in frogs is known as
- exogamy
- endogamy
- anisogamy
- isogamy
- polygamy
When both stock and scion are cut obliquely at about the same angle, it is called
- crown grafting
- whip grafting
- wedge grafting
- side grafting
- bud grafting
The phenomenon in which an orchid resembles to a female insect to pollinate itself is known as
- mimicry
- parthenogenesis
- self pollination
- cross pollination
- pseudocopulation
Saprolegnia is an example of
- sporangiospores
- chlamydospores
- zoospores
- oidia
- conidia
Which of the following is known as four o'clock plant?
- Ginkgo bilbo
- Dalbergia sissoo
- Pinus longifolia
- Mirabilis jalapa
- Bellis perennis
In which of the following phenomenon a flower creates some mechanical barrier on their stigmatic surface to avoid self pollination?
- Dichogamy
- Self incompatibility
- Herkogamy
- Dioecism
- Heterostyly