Which of the following is a plant hormone responsible for promoting cell elongation and growth?
Abscisic acid
Gibberellins
Ethylene
Cytokinins
Correct answer is B
Gibberellins are plant hormones that play a significant role in promoting cell elongation and growth.
Which of the following statements is true regarding sex-linked traits?
Sex-linked traits are located on the sex chromosomes
Sex-linked traits are inherited only from the mother
Sex-linked traits are more commonly observed in females
Sex-linked traits are not influenced by hormonal factors
Correct answer is A
Sex-linked traits are traits that are determined by genes located on the sex chromosomes (X and Y chromosomes in humans).
Competition leads to the selection of individuals with favorable traits for survival and reproduction
Competition ensures equal distribution of resources among individuals in a population
Competition leads to the development of new traits and adaptations in a population
Competition reduces the need for adaptations as individuals coexist peacefully
Correct answer is A
When individuals within a population compete for limited resources such as food, water, or mates, those individuals with favorable traits that enhance their ability to acquire resources are more likely to survive and reproduce.
Which of the following describes the inheritance of traits from parents to offspring?
Adaptation
Evolution
Natural selection
Genetics
Correct answer is D
Genetics is the field of biology that studies the inheritance of traits from parents to offspring. Genetics encompasses various concepts and principles, including the study of genes, DNA, chromosomes, genetic inheritance patterns, genetic mutations, and genetic variations.
Which of the following is the most inclusive level of classification in the Linnaean system?
Kingdom
Phylum
Domain
Class
Correct answer is A
The most inclusive level of classification in the Linnaean system is the kingdom.
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