The process by which the embryo attaches to the uterine wall is:
A. Ovulation
B. Implantation
C. Menstruation
D. Fertilization
Answer: Option B
Solution (By JKSSB Mock Tests)
Implantation occurs about 6-7 days after fertilization, when the blastocyst embeds into the endometrium. Fertilization is sperm-egg fusion, ovulation egg release, menstruation shedding.
Explanation:
Louis Pasteur, a French microbiologist, is famous for several groundbreaking contributions. He developed the process of pasteurization (heating liquids to kill harmful microbes). He also conclusively disproved the theory of spontaneous generation using his famous swan-neck flask experiment, demonstrating that life only arises from pre-existing life (biogenesis). He also developed vaccines for rabies and anthrax.
Explanation:
Adventitious roots arise from non-root tissues like stems, leaves, or branches. Examples: prop roots of banyan, stilt roots of maize, aerial roots of orchids. Taproot and fibrous roots develop from the radicle.
Explanation:
The Calvin cycle fixes CO₂ into glucose, which is the primary organic product of photosynthesis. Oxygen is a byproduct of water splitting.
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