A. Primary Xylem and secondary xylem.
B. Primary xylem and secondary phloem.
C. Primary xylem and primary phloem
D. Secondary xylem and secondary phloem.
Related Mcqs:
- It is stiff rod of special cells surrounded by connecive tissue present in the mid -dorsal region and appears in the embryos of all chordates
A. Placenta
B. Notochord
C. Cranianta
D. Ligule - Out of total organisms on earth, _____________are vascular plants?
A. 53.10%
B. 19.90%
C. 17.60%
D. 9.40% - Complex symptoms like severe pneumonia vascular tumor sudden weight loss swollen lymph nodes and immune deficiency are features of:
A. Polio
B. Hepatitis
C. AIDS
D. HIV - Which of the vascular channels are related to Juxtramedullary nephrous only?
A. Afferent and efferent arterioles
B. Peritubualr capillaries
C. Vasa nervosa
D. Vasa recta - The plants which produce embryo but lack vascular tissues and seeds are placed in_________?
A. bryophytes
B. pteridophytes
C. tracheophytes
D. all of theseSubmitted by: Maryam Aftab
- Higher vascular plants are also called__________?
A. flowering plants
B. seed plants
C. ferns
D. none of theseSubmitted by: Maryam Aftab
- The vascular plants are termed as____________?
A. tracheophytes
B. bryophytes
C. pteridophytes
D. all of theseSubmitted by: Maryam Aftab
- The first ever vascular plants are_________?
A. Cooksonia
B. Selaginella
C. Adiantum
D. DryopterisSubmitted by: Shoaib Shah
- If the number of chromosomes in most body cells of a mammal is 40, the cells in the seminiferous tubule will have___________?
A. 40 chromosomes
B. 20 chromosomes
C. 10 chromosomes
D. While some other will have 20Submitted by: Rashid Mehmood
- There are cells in human body called Faggot cells which cause__________?
A. AIDS
B. Tuberculosis
C. Smallpox
D. LeukaemiaSubmitted by: Ali Mallah