NSC Life Sciences Genetics and Inheritance: According to Lamarck's theory fo

Question

According to Lamarck's theory for evolution...
A) scrambled characteristics are not inherited.
B) organisms evolve because they adapt to their environment.
C) there is variation among offspring.
D) environmental changes have no influence on species diversity.

The genotype for specific characteristics...
A) contains two chromosomes.
B) is the physical appearance of an individual.
C) refers to a complete gene pair.
D) is the representation of the allele.

After the discovery of a fossil, scientists classified it as an Aflikan egg because it had...
A) small cranium - a prognathous jaw and large canines.
B) large cranium - a prognathous jaw and small canines.
C) small cranium - a protruding jaw and large canines.
D) large cranium - a reduced jaw and small canines.

The statements below describe the steps in the cycle of a...
A) The embryo is implanted into the uterus of an adult female for development.
B) The embryo is formed when the ovum and sperm combine.
C) After the embryo undergoes cell division, the embryo starts developing.
D) Embryonic development occurs after the implantation of the embryo.
Which combination shows the CORRECT order of the steps?
A) (ii) (iv) (iii) (i)
B) (i) (iii) (iv) (ii)
C) (iii) (ii) (i) (iv)
D) (iv) (i) (ii) (iii)

Shrubs of the family Proteaceae (e.g. Waratahs and proteas) can be found in Australia, South America, Indo-China and parts of Africa as shown on the map below.
This is evidence that the family Proteaceae...
A) all belong to the same species.
B) are equally distributed in all continents.
C) became extinct when Pangaias separated.
D) arose from a common ancestor when Pangaea separated.

The diagram below shows the DNA profiles of a girl, her mother and four males.
Which male is the girl's biological father?
A) 1
B) 2
C) 3
D) 4

The following are characteristics of a group of animals:
(i) Able to interbreed
(ii) Occupy the same habitat
(iii) Produce infertile offspring
(iv) Belong to the same species
Which combination CORRECTLY represents a population?
A) (i) (ii) and (iv)
B) (i) (ii) (iv)
C) (i) (ii) and (iii)
D) (i) only and (iv) only

During anaphase of mitosis, the two chromatids of a chromosome are pulled apart and move towards opposite poles at a rate of 1 micrometer per second.

The distance, in micrometers, between the chromatids after 60 seconds is...
A) 60
B) 30
C) 120
D) 240

According to Lamarck's theory for evolution.. - NSC Life Sciences - Question 1 - 2023 - Paper 2

Worked Solution & Example Answer:According to Lamarck's theory for evolution.. - NSC Life Sciences - Question 1 - 2023 - Paper 2

According to Lamarck's theory for evolution...

The genotype for specific characteristics...

After the discovery of a fossil, scientists classified it as an Aflikan egg because it had...

The statements below describe the steps in the cycle of a...

This is evidence that the family Proteaceae...

Which male is the girl's biological father?

Which combination CORRECTLY represents a population?

The distance, in micrometers, between the chromatids after 60 seconds is...

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