Semester 2 Grade 10 Bilingual

Which name is given to the observable features of an organism

• alleles

• genes

• phenotypes

• genotype

Cells are formed by the division of existing cells. Four different cells are shown below.

Which cell is produced by meiosis?

• Egg cell

• skin cell

• mesophyll cell

• nerve cell

In the inheritance of ABO blood groups, when two parents have the genotype I^BI^B and I^BI^O, what is the blood group of their offspring?

• Group O

• Group A

• Group AB

• Group B

Which statement about the adaptation of a hydrophyte is correct?

• They have thick cuticles

• They cannot photosynthesizes.

• They have poorly developed xylem vessels.

• They have no lignin in vascular tissues.

Which row in the image best describes a human blood group?

• A

• B

• C

• D

What is the direct effect of deforestation?

• escape of minerals salt

• soil erosion

• recycling of important minerals

• production of methane

What can continuously recycle in an ecosystem?

• A

• B

• C

• D

Which process is carried out by bacteria in the roots of leguminous plants?

• Denitrification

• Nitrogen fixation

• Decomposition

• Nitrification

State two differences between mitosis and meiosis.

Answer explanation

What is the definition of phenotype?

Answer explanation

The observable features of an organism