The primary structure responsible for pumping blood for circulation through the mammalian circulatory systems is the?
- A. veins
- B. right auricle
- C. arteries
- D. left ventricle
When a mixture of a food substance and Benedict’s solution was warmed, the solution changed from blue to brick-red. This indicates the presence of?
- A. reducing sugar
- B. fatty acid
- C. sucrose
- D. amino acid
The mode of nutrition of sun dew and bladder wort can be described as?
- A. saprophytic
- B. holozoic
- C. chemosynthetic
- D. autotrophic
Which of the following is lacking in the diet of a person with kwashiorkor?
- A. proteins
- B. carbohydrates
- C. minerals
- D. vitamins
Which of the following is true of the transverse section of a dicot stem?
- A. the xylem is more interiorly located than the phloem
- B. the cambium lies between the cortex and the vascular bundles
- C. the vascular bundles are randomly scattered within the cortex
- D. the epidemis is completely encircled by the cortex
Which of the following groups of cells is devoid of true nuclei?
- A. algae
- B. monera
- C. fungi
- D. viruses
Parental care is exhibited by?
- A. snails
- B. earthworms
- C. birds
- D. toads
The dominant phase in the life cycle of a fern is the?
- A. prothallus
- B. sporophyte
- C. antheridium
- D. gametophyte
Which of the following is NOT a function of the nucleus of a cell?
- A. it translates genetic information for the manufacture of proteins
- B. it stores and carries hereditary information
- C. it is reservoir of energy for the cell
- D. it controls the life processes of the cell
If a child can receive blood from all donors, he belongs to the blood group?
- A. O
- B. AB
- C. A
- D. B