Q: For fertilization to occur in angiosperms, pollen has to be transferred to the stigma of what? Choices: - stem - leaf - root - flower A:
flower

(Question)
Q: What is the layer above the mesophere called? Choices: - exosphere - thermosphere - troposphere - stratosphere A:
(Answer)
stratosphere

Ques: Q: At high altitudes, acclimatization increases red blood cells, so there is more what to help transport the available oxygen? Choices: - platelets - plasma - leukocytes - hemoglobin A:
Ans: hemoglobin

(Q).
Q: What country put seven salyut space stations into orbit between 1971 and 1982? Choices: - United States - China - Japan - soviet union A:
(A).
soviet union

Ques:Q: There are three different types of rna. all three types are needed to make what? Choices: - acids - lipids - Blood - proteins A:

Ans:proteins

Question: Q: What is the term for a solution that resists dramatic changes in ph? Choices: - inert - neutral - stable - buffer A:
Answer:
buffer